12744400472431 has 2 divisors, whose sum is σ = 12744400472432. Its totient is φ = 12744400472430.

The previous prime is 12744400472389. The next prime is 12744400472483. The reversal of 12744400472431 is 13427400444721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12744400472431 - 2¹⁹ = 12744399948143 is a prime.

It is a super-2 number, since 2×12744400472431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12744400478431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6372200236215 + 6372200236216.

It is an arithmetic number, because the mean of its divisors is an integer number (6372200236216).

Almost surely, 2^{12744400472431} is an apocalyptic number.

12744400472431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12744400472431 is an equidigital number, since it uses as much as digits as its factorization.

12744400472431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 602112, while the sum is 43.

The spelling of 12744400472431 in words is "twelve trillion, seven hundred forty-four billion, four hundred million, four hundred seventy-two thousand, four hundred thirty-one".