3651245944 has 16 divisors (see below), whose sum is σ = 6847890120. Its totient is φ = 1825141920.

The previous prime is 3651245881. The next prime is 3651245959. The reversal of 3651245944 is 4495421563.

It is a super-2 number, since 2×3651245944² = 26663193887152902272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3651245944.

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 3 ways as a sum of consecutive naturals, for example, 26787 + ... + 89554.

Almost surely, 2^3651245944 is an apocalyptic number.

It is an amenable number.

3651245944 is a deficient number, since it is larger than the sum of its proper divisors (3196644176).

3651245944 is a wasteful number, since it uses less digits than its factorization.

3651245944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120270 (or 120266 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The square root of 3651245944 is about 60425.5404940659. The cubic root of 3651245944 is about 1539.8568968056.

The spelling of 3651245944 in words is "three billion, six hundred fifty-one million, two hundred forty-five thousand, nine hundred forty-four".