431535663064 has 32 divisors (see below), whose sum is σ = 895861022400. Its totient is φ = 193224921120.

The previous prime is 431535663019. The next prime is 431535663071. The reversal of 431535663064 is 460366535134.

It is a super-2 number, since 2×431535663064² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36589734 + ... + 36601525.

It is an arithmetic number, because the mean of its divisors is an integer number (27995656950).

Almost surely, 2^431535663064 is an apocalyptic number.

431535663064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

431535663064 is an abundant number, since it is smaller than the sum of its proper divisors (464325359336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431535663064 is a wasteful number, since it uses less digits than its factorization.

431535663064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73191343 (or 73191339 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 431535663064 in words is "four hundred thirty-one billion, five hundred thirty-five million, six hundred sixty-three thousand, sixty-four".