The first known prime found to exceed one million digits was discovered in 1999, and is a Mersenne prime of the form $2^{6972593}-1$; it contains exactly $2098960$ digits. Subsequently other Mersenne primes, of the form $2^p-1$, have been found which contain more digits.

However, in 2004 there was found a massive non-Mersenne prime which contains $2357207$ digits: $28433\times 2^{7830457}+1$.

Find the last ten digits of this prime number.