431383643593 has 16 divisors (see below), whose sum is σ = 514465136640. Its totient is φ = 353667218256.

The previous prime is 431383643569. The next prime is 431383643609. The reversal of 431383643593 is 395346383134.

It is a cyclic number.

It is not a de Polignac number, because 431383643593 - 2²⁵ = 431350089161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 431383643593.

It is not an unprimeable number, because it can be changed into a prime (431383643513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7286196 + ... + 7345162.

It is an arithmetic number, because the mean of its divisors is an integer number (32154071040).

Almost surely, 2^431383643593 is an apocalyptic number.

It is an amenable number.

431383643593 is a deficient number, since it is larger than the sum of its proper divisors (83081493047).

431383643593 is a wasteful number, since it uses less digits than its factorization.

431383643593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104436.

The product of its digits is 8398080, while the sum is 52.

The spelling of 431383643593 in words is "four hundred thirty-one billion, three hundred eighty-three million, six hundred forty-three thousand, five hundred ninety-three".