3659806125 has 64 divisors (see below), whose sum is σ = 7122835200. Its totient is φ = 1849132800.

The previous prime is 3659806109. The next prime is 3659806133. The reversal of 3659806125 is 5216089563.

3659806125 is a `hidden beast` number, since 36 + 598 + 0 + 6 + 1 + 25 = 666.

3659806125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3659806125 - 2⁴ = 3659806109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35589 + ... + 92661.

It is an arithmetic number, because the mean of its divisors is an integer number (111294300).

Almost surely, 2^3659806125 is an apocalyptic number.

It is an amenable number.

3659806125 is a deficient number, since it is larger than the sum of its proper divisors (3463029075).

3659806125 is a wasteful number, since it uses less digits than its factorization.

3659806125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57116 (or 57100 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 3659806125 is about 60496.3315003480. The cubic root of 3659806125 is about 1541.0593325623.

The spelling of 3659806125 in words is "three billion, six hundred fifty-nine million, eight hundred six thousand, one hundred twenty-five".