431860473729 has 12 divisors (see below), whose sum is σ = 623948720356. Its totient is φ = 287837632512.

The previous prime is 431860473719. The next prime is 431860473809. The reversal of 431860473729 is 927374068134.

431860473729 is a `hidden beast` number, since 4 + 3 + 1 + 8 + 604 + 7 + 3 + 7 + 29 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 135001130625 + 296859343104 = 367425^2 + 544848^2 .

It is not a de Polignac number, because 431860473729 - 2³¹ = 429712990081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431860473719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5739712 + ... + 5814465.

Almost surely, 2^431860473729 is an apocalyptic number.

It is an amenable number.

431860473729 is a deficient number, since it is larger than the sum of its proper divisors (192088246627).

431860473729 is a wasteful number, since it uses less digits than its factorization.

431860473729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11558336 (or 11558333 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 431860473729 in words is "four hundred thirty-one billion, eight hundred sixty million, four hundred seventy-three thousand, seven hundred twenty-nine".