3655823425 has 24 divisors (see below), whose sum is σ = 4648764960. Its totient is φ = 2850268800.

The previous prime is 3655823399. The next prime is 3655823449. The reversal of 3655823425 is 5243285563.

3655823425 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 3655823425 - 2⁹ = 3655822913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1658374 + ... + 1660576.

It is an arithmetic number, because the mean of its divisors is an integer number (193698540).

Almost surely, 2^3655823425 is an apocalyptic number.

It is an amenable number.

3655823425 is a deficient number, since it is larger than the sum of its proper divisors (992941535).

3655823425 is a wasteful number, since it uses less digits than its factorization.

3655823425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873 (or 3868 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

The square root of 3655823425 is about 60463.4056682222. The cubic root of 3655823425 is about 1540.5001221834.

The spelling of 3655823425 in words is "three billion, six hundred fifty-five million, eight hundred twenty-three thousand, four hundred twenty-five".