531940598687 has 2 divisors, whose sum is σ = 531940598688. Its totient is φ = 531940598686.

The previous prime is 531940598617. The next prime is 531940598731. The reversal of 531940598687 is 786895049135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531940598687 - 2¹⁶ = 531940533151 is a prime.

It is a super-2 number, since 2×531940598687² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531940598617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265970299343 + 265970299344.

It is an arithmetic number, because the mean of its divisors is an integer number (265970299344).

Almost surely, 2^531940598687 is an apocalyptic number.

531940598687 is a deficient number, since it is larger than the sum of its proper divisors (1).

531940598687 is an equidigital number, since it uses as much as digits as its factorization.

531940598687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65318400, while the sum is 65.

The spelling of 531940598687 in words is "five hundred thirty-one billion, nine hundred forty million, five hundred ninety-eight thousand, six hundred eighty-seven".