12709716431 has 2 divisors, whose sum is σ = 12709716432. Its totient is φ = 12709716430.

The previous prime is 12709716421. The next prime is 12709716491. The reversal of 12709716431 is 13461790721.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12709716431 is a prime.

It is a super-2 number, since 2×12709716431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12709716401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6354858215 + 6354858216.

It is an arithmetic number, because the mean of its divisors is an integer number (6354858216).

Almost surely, 2^12709716431 is an apocalyptic number.

12709716431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12709716431 is an equidigital number, since it uses as much as digits as its factorization.

12709716431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The spelling of 12709716431 in words is "twelve billion, seven hundred nine million, seven hundred sixteen thousand, four hundred thirty-one".