3645325427644 has 12 divisors (see below), whose sum is σ = 6534912657168. Its totient is φ = 1778207525600.

The previous prime is 3645325427599. The next prime is 3645325427651. The reversal of 3645325427644 is 4467245235463.

It is a super-2 number, since 2×3645325427644² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11113796872 + ... + 11113797199.

It is an arithmetic number, because the mean of its divisors is an integer number (544576054764).

Almost surely, 2^{3645325427644} is an apocalyptic number.

It is an amenable number.

3645325427644 is a deficient number, since it is larger than the sum of its proper divisors (2889587229524).

3645325427644 is a wasteful number, since it uses less digits than its factorization.

3645325427644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22227594116 (or 22227594114 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 55.

The spelling of 3645325427644 in words is "three trillion, six hundred forty-five billion, three hundred twenty-five million, four hundred twenty-seven thousand, six hundred forty-four".