3645325427724 has 36 divisors (see below), whose sum is σ = 9229904731320. Its totient is φ = 1213086657600.

The previous prime is 3645325427717. The next prime is 3645325427743. The reversal of 3645325427724 is 4277245235463.

It is a happy number.

3645325427724 is a `hidden beast` number, since 3 + 6 + 4 + 5 + 3 + 2 + 542 + 77 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3645325427724² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84220494 + ... + 84263765.

Almost surely, 2^{3645325427724} is an apocalyptic number.

It is an amenable number.

3645325427724 is an abundant number, since it is smaller than the sum of its proper divisors (5584579303596).

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

3645325427724 is a wasteful number, since it uses less digits than its factorization.

3645325427724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168484870 (or 168484865 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 54.

The spelling of 3645325427724 in words is "three trillion, six hundred forty-five billion, three hundred twenty-five million, four hundred twenty-seven thousand, seven hundred twenty-four".