3645625886804 has 24 divisors (see below), whose sum is σ = 7199825421600. Its totient is φ = 1599961203680.

The previous prime is 3645625886761. The next prime is 3645625886831. The reversal of 3645625886804 is 4086885265463.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1428535514 + ... + 1428538065.

It is an arithmetic number, because the mean of its divisors is an integer number (299992725900).

Almost surely, 2^{3645625886804} is an apocalyptic number.

It is an amenable number.

3645625886804 is a deficient number, since it is larger than the sum of its proper divisors (3554199534796).

3645625886804 is a wasteful number, since it uses less digits than its factorization.

3645625886804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857073623 (or 2857073621 counting only the distinct ones).

The product of its (nonzero) digits is 265420800, while the sum is 65.

The spelling of 3645625886804 in words is "three trillion, six hundred forty-five billion, six hundred twenty-five million, eight hundred eighty-six thousand, eight hundred four".