3630865898 has 16 divisors (see below), whose sum is σ = 5946044544. Its totient is φ = 1649108160.

The previous prime is 3630865873. The next prime is 3630865919. The reversal of 3630865898 is 8985680363.

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, 35090 + ... + 92157.

It is an arithmetic number, because the mean of its divisors is an integer number (371627784).

Almost surely, 2^3630865898 is an apocalyptic number.

3630865898 is a deficient number, since it is larger than the sum of its proper divisors (2315178646).

3630865898 is a wasteful number, since it uses less digits than its factorization.

3630865898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128557.

The product of its (nonzero) digits is 7464960, while the sum is 56.

The square root of 3630865898 is about 60256.6668344674. Note that the first 3 decimals coincide. The cubic root of 3630865898 is about 1536.9865592783.

The spelling of 3630865898 in words is "three billion, six hundred thirty million, eight hundred sixty-five thousand, eight hundred ninety-eight".