3651970972 has 12 divisors (see below), whose sum is σ = 6882560776. Its totient is φ = 1685525040.

The previous prime is 3651970969. The next prime is 3651971021. The reversal of 3651970972 is 2790791563.

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, 35115054 + ... + 35115157.

Almost surely, 2^3651970972 is an apocalyptic number.

It is an amenable number.

3651970972 is a deficient number, since it is larger than the sum of its proper divisors (3230589804).

3651970972 is a wasteful number, since it uses less digits than its factorization.

3651970972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70230228 (or 70230226 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 49.

The square root of 3651970972 is about 60431.5395468294. The cubic root of 3651970972 is about 1539.9588132011.

The spelling of 3651970972 in words is "three billion, six hundred fifty-one million, nine hundred seventy thousand, nine hundred seventy-two".