3625409956 has 12 divisors (see below), whose sum is σ = 7250819968. Its totient is φ = 1553747112.

The previous prime is 3625409951. The next prime is 3625409959. The reversal of 3625409956 is 6599045263.

It is a happy number.

3625409956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

3625409956 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3625409951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64739436 + ... + 64739491.

Almost surely, 2^3625409956 is an apocalyptic number.

It is an amenable number.

3625409956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3625409956 is a wasteful number, since it uses less digits than its factorization.

3625409956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129478938 (or 129478936 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 49.

The square root of 3625409956 is about 60211.3772969860. The cubic root of 3625409956 is about 1536.2163193827.

The spelling of 3625409956 in words is "three billion, six hundred twenty-five million, four hundred nine thousand, nine hundred fifty-six".