6456555596507 has 2 divisors, whose sum is σ = 6456555596508. Its totient is φ = 6456555596506.

The previous prime is 6456555596383. The next prime is 6456555596509. The reversal of 6456555596507 is 7056955556546.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6456555596507 is a prime.

It is a super-2 number, since 2×6456555596507² (a number of 26 digits) contains 22 as substring.

Together with 6456555596509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6456555596509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3228277798253 + 3228277798254.

It is an arithmetic number, because the mean of its divisors is an integer number (3228277798254).

Almost surely, 2^{6456555596507} is an apocalyptic number.

6456555596507 is a deficient number, since it is larger than the sum of its proper divisors (1).

6456555596507 is an equidigital number, since it uses as much as digits as its factorization.

6456555596507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 850500000, while the sum is 68.

The spelling of 6456555596507 in words is "six trillion, four hundred fifty-six billion, five hundred fifty-five million, five hundred ninety-six thousand, five hundred seven".