3663642325 has 12 divisors (see below), whose sum is σ = 5191904800. Its totient is φ = 2512211760.

The previous prime is 3663642251. The next prime is 3663642383. The reversal of 3663642325 is 5232463663.

It is not a de Polignac number, because 3663642325 - 2²⁵ = 3630087893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10467375 + ... + 10467724.

Almost surely, 2^3663642325 is an apocalyptic number.

3663642325 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3663642325 is a deficient number, since it is larger than the sum of its proper divisors (1528262475).

3663642325 is a wasteful number, since it uses less digits than its factorization.

3663642325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20935116 (or 20935111 counting only the distinct ones).

The product of its digits is 466560, while the sum is 40.

The square root of 3663642325 is about 60528.0292509181. The cubic root of 3663642325 is about 1541.5975894380.

It can be divided in two parts, 36636 and 42325, that added together give a square (78961 = 281²).

The spelling of 3663642325 in words is "three billion, six hundred sixty-three million, six hundred forty-two thousand, three hundred twenty-five".