52431313643 has 2 divisors, whose sum is σ = 52431313644. Its totient is φ = 52431313642.

The previous prime is 52431313631. The next prime is 52431313681. The reversal of 52431313643 is 34631313425.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52431313643 - 2¹⁸ = 52431051499 is a prime.

It is not a weakly prime, because it can be changed into another prime (52431312643) 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, 26215656821 + 26215656822.

It is an arithmetic number, because the mean of its divisors is an integer number (26215656822).

Almost surely, 2^52431313643 is an apocalyptic number.

52431313643 is a deficient number, since it is larger than the sum of its proper divisors (1).

52431313643 is an equidigital number, since it uses as much as digits as its factorization.

52431313643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 35.

The spelling of 52431313643 in words is "fifty-two billion, four hundred thirty-one million, three hundred thirteen thousand, six hundred forty-three".