32897469636 has 36 divisors (see below), whose sum is σ = 83397171312. Its totient is φ = 10934217264.

The previous prime is 32897469589. The next prime is 32897469643. The reversal of 32897469636 is 63696479823.

32897469636 is a `hidden beast` number, since 3 + 28 + 97 + 469 + 63 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1304250 + ... + 1329233.

It is an arithmetic number, because the mean of its divisors is an integer number (2316588092).

Almost surely, 2^32897469636 is an apocalyptic number.

32897469636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

32897469636 is an abundant number, since it is smaller than the sum of its proper divisors (50499701676).

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

32897469636 is a wasteful number, since it uses less digits than its factorization.

32897469636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633840 (or 2633835 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 63.

The spelling of 32897469636 in words is "thirty-two billion, eight hundred ninety-seven million, four hundred sixty-nine thousand, six hundred thirty-six".