8631149532 has 24 divisors (see below), whose sum is σ = 21199315200. Its totient is φ = 2725626096.

The previous prime is 8631149519. The next prime is 8631149561. The reversal of 8631149532 is 2359411368.

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, 18927732 + ... + 18928187.

It is an arithmetic number, because the mean of its divisors is an integer number (883304800).

Almost surely, 2^8631149532 is an apocalyptic number.

It is an amenable number.

8631149532 is an abundant number, since it is smaller than the sum of its proper divisors (12568165668).

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

8631149532 is a wasteful number, since it uses less digits than its factorization.

8631149532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37855945 (or 37855943 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 8631149532 is about 92903.9801730798. The cubic root of 8631149532 is about 2051.2702444415.

The spelling of 8631149532 in words is "eight billion, six hundred thirty-one million, one hundred forty-nine thousand, five hundred thirty-two".