3631472538 has 16 divisors (see below), whose sum is σ = 7386046560. Its totient is φ = 1189973936.

The previous prime is 3631472521. The next prime is 3631472569. The reversal of 3631472538 is 8352741363.

It is a super-2 number, since 2×3631472538² = 26375185588496322888, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3631472538.

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, 5128845 + ... + 5129552.

It is an arithmetic number, because the mean of its divisors is an integer number (461627910).

Almost surely, 2^3631472538 is an apocalyptic number.

3631472538 is an abundant number, since it is smaller than the sum of its proper divisors (3754574022).

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

3631472538 is a wasteful number, since it uses less digits than its factorization.

3631472538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10258461.

The product of its digits is 362880, while the sum is 42.

The square root of 3631472538 is about 60261.7004240670. The cubic root of 3631472538 is about 1537.0721537002.

The spelling of 3631472538 in words is "three billion, six hundred thirty-one million, four hundred seventy-two thousand, five hundred thirty-eight".