431254243636 has 24 divisors (see below), whose sum is σ = 758154104064. Its totient is φ = 214638977280.

The previous prime is 431254243633. The next prime is 431254243643. The reversal of 431254243636 is 636342452134.

It is a junction number, because it is equal to n+sod(n) for n = 431254243592 and 431254243601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431254243631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12971811 + ... + 13005013.

It is an arithmetic number, because the mean of its divisors is an integer number (31589754336).

Almost surely, 2^431254243636 is an apocalyptic number.

It is an amenable number.

431254243636 is a deficient number, since it is larger than the sum of its proper divisors (326899860428).

431254243636 is a wasteful number, since it uses less digits than its factorization.

431254243636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47991 (or 47989 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 43.

The spelling of 431254243636 in words is "four hundred thirty-one billion, two hundred fifty-four million, two hundred forty-three thousand, six hundred thirty-six".