953534636432 has 80 divisors (see below), whose sum is σ = 2166784566912. Its totient is φ = 397973591040.

The previous prime is 953534636401. The next prime is 953534636449. The reversal of 953534636432 is 234636435359.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2371343 + ... + 2744145.

Almost surely, 2^953534636432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 953534636432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083392283456).

953534636432 is an abundant number, since it is smaller than the sum of its proper divisors (1213249930480).

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

953534636432 is a wasteful number, since it uses less digits than its factorization.

953534636432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373416 (or 373410 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 53.

The spelling of 953534636432 in words is "nine hundred fifty-three billion, five hundred thirty-four million, six hundred thirty-six thousand, four hundred thirty-two".