3642432651 has 64 divisors (see below), whose sum is σ = 6615383040. Its totient is φ = 1949080320.

The previous prime is 3642432643. The next prime is 3642432667. The reversal of 3642432651 is 1562342463.

3642432651 is a `hidden beast` number, since 3 + 642 + 4 + 3 + 2 + 6 + 5 + 1 = 666.

3642432651 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3642432651 - 2³ = 3642432643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3642432641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68295 + ... + 109311.

It is an arithmetic number, because the mean of its divisors is an integer number (103365360).

Almost surely, 2^3642432651 is an apocalyptic number.

3642432651 is a deficient number, since it is larger than the sum of its proper divisors (2972950389).

3642432651 is a wasteful number, since it uses less digits than its factorization.

3642432651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41073 (or 41067 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 3642432651 is about 60352.5695476174. The cubic root of 3642432651 is about 1538.6169416254.

The spelling of 3642432651 in words is "three billion, six hundred forty-two million, four hundred thirty-two thousand, six hundred fifty-one".