3625693921 has 8 divisors (see below), whose sum is σ = 3840276960. Its totient is φ = 3411256128.

The previous prime is 3625693913. The next prime is 3625693927. The reversal of 3625693921 is 1293965263.

3625693921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3625693921 - 2³ = 3625693913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3625693927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17370 + ... + 86908.

It is an arithmetic number, because the mean of its divisors is an integer number (480034620).

Almost surely, 2^3625693921 is an apocalyptic number.

It is an amenable number.

3625693921 is a deficient number, since it is larger than the sum of its proper divisors (214583039).

3625693921 is a wasteful number, since it uses less digits than its factorization.

3625693921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72623.

The product of its digits is 524880, while the sum is 46.

The square root of 3625693921 is about 60213.7353184471. The cubic root of 3625693921 is about 1536.2564270563.

The spelling of 3625693921 in words is "three billion, six hundred twenty-five million, six hundred ninety-three thousand, nine hundred twenty-one".