12719933431 has 2 divisors, whose sum is σ = 12719933432. Its totient is φ = 12719933430.

The previous prime is 12719933417. The next prime is 12719933467. The reversal of 12719933431 is 13433991721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12719933431 - 2²¹ = 12717836279 is a prime.

It is a super-2 number, since 2×12719933431² (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 (12719433431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6359966715 + 6359966716.

It is an arithmetic number, because the mean of its divisors is an integer number (6359966716).

Almost surely, 2^12719933431 is an apocalyptic number.

12719933431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12719933431 is an equidigital number, since it uses as much as digits as its factorization.

12719933431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 43.

The spelling of 12719933431 in words is "twelve billion, seven hundred nineteen million, nine hundred thirty-three thousand, four hundred thirty-one".