3651942672 has 100 divisors (see below), whose sum is σ = 12079780416. Its totient is φ = 1043409600.

The previous prime is 3651942667. The next prime is 3651942677. The reversal of 3651942672 is 2762491563.

3651942672 is a `hidden beast` number, since 36 + 519 + 42 + 67 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (3651942667) and next prime (3651942677).

It is not an unprimeable number, because it can be changed into a prime (3651942677) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 192204 + ... + 210347.

Almost surely, 2^3651942672 is an apocalyptic number.

It is an amenable number.

3651942672 is an abundant number, since it is smaller than the sum of its proper divisors (8427837744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3651942672 is a wasteful number, since it uses less digits than its factorization.

3651942672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402578 (or 402563 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 3651942672 is about 60431.3053971201. The cubic root of 3651942672 is about 1539.9548353539.

The spelling of 3651942672 in words is "three billion, six hundred fifty-one million, nine hundred forty-two thousand, six hundred seventy-two".