3654686944 has 24 divisors (see below), whose sum is σ = 7296509808. Its totient is φ = 1801605120.

The previous prime is 3654686927. The next prime is 3654686953. The reversal of 3654686944 is 4496864563.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802017 + ... + 806560.

It is an arithmetic number, because the mean of its divisors is an integer number (304021242).

Almost surely, 2^3654686944 is an apocalyptic number.

It is an amenable number.

3654686944 is a deficient number, since it is larger than the sum of its proper divisors (3641822864).

3654686944 is a wasteful number, since it uses less digits than its factorization.

3654686944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608658 (or 1608650 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 55.

The square root of 3654686944 is about 60454.0068481817. The cubic root of 3654686944 is about 1540.3404745596.

The spelling of 3654686944 in words is "three billion, six hundred fifty-four million, six hundred eighty-six thousand, nine hundred forty-four".