557306099431 has 2 divisors, whose sum is σ = 557306099432. Its totient is φ = 557306099430.

The previous prime is 557306099353. The next prime is 557306099443. The reversal of 557306099431 is 134990603755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557306099431 - 2⁷ = 557306099303 is a prime.

It is a super-3 number, since 3×557306099431³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557306099491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278653049715 + 278653049716.

It is an arithmetic number, because the mean of its divisors is an integer number (278653049716).

Almost surely, 2^557306099431 is an apocalyptic number.

557306099431 is a deficient number, since it is larger than the sum of its proper divisors (1).

557306099431 is an equidigital number, since it uses as much as digits as its factorization.

557306099431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3061800, while the sum is 52.

The spelling of 557306099431 in words is "five hundred fifty-seven billion, three hundred six million, ninety-nine thousand, four hundred thirty-one".