768459834731 has 2 divisors, whose sum is σ = 768459834732. Its totient is φ = 768459834730.

The previous prime is 768459834643. The next prime is 768459834761. The reversal of 768459834731 is 137438954867.

It is a strong prime.

It is an emirp because it is prime and its reverse (137438954867) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-768459834731 is a prime.

It is a super-2 number, since 2×768459834731² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (768459834761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384229917365 + 384229917366.

It is an arithmetic number, because the mean of its divisors is an integer number (384229917366).

Almost surely, 2^768459834731 is an apocalyptic number.

768459834731 is a deficient number, since it is larger than the sum of its proper divisors (1).

768459834731 is an equidigital number, since it uses as much as digits as its factorization.

768459834731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121927680, while the sum is 65.

The spelling of 768459834731 in words is "seven hundred sixty-eight billion, four hundred fifty-nine million, eight hundred thirty-four thousand, seven hundred thirty-one".