431254542939 has 48 divisors (see below), whose sum is σ = 649197609984. Its totient is φ = 252279230400.

The previous prime is 431254542911. The next prime is 431254542949. The reversal of 431254542939 is 939245452134.

It is not a de Polignac number, because 431254542939 - 2¹⁶ = 431254477403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431254542891 and 431254542900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431254542949) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 254727177 + ... + 254728869.

It is an arithmetic number, because the mean of its divisors is an integer number (13524950208).

Almost surely, 2^431254542939 is an apocalyptic number.

431254542939 is a deficient number, since it is larger than the sum of its proper divisors (217943067045).

431254542939 is a wasteful number, since it uses less digits than its factorization.

431254542939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736 (or 2237 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 51.

The spelling of 431254542939 in words is "four hundred thirty-one billion, two hundred fifty-four million, five hundred forty-two thousand, nine hundred thirty-nine".