57431172499 has 2 divisors, whose sum is σ = 57431172500. Its totient is φ = 57431172498.

The previous prime is 57431172473. The next prime is 57431172521. The reversal of 57431172499 is 99427113475.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57431172499 - 2⁷ = 57431172371 is a prime.

It is not a weakly prime, because it can be changed into another prime (57431172419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28715586249 + 28715586250.

It is an arithmetic number, because the mean of its divisors is an integer number (28715586250).

Almost surely, 2^57431172499 is an apocalyptic number.

57431172499 is a deficient number, since it is larger than the sum of its proper divisors (1).

57431172499 is an equidigital number, since it uses as much as digits as its factorization.

57431172499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 52.

The spelling of 57431172499 in words is "fifty-seven billion, four hundred thirty-one million, one hundred seventy-two thousand, four hundred ninety-nine".