642316430632 has 32 divisors (see below), whose sum is σ = 1267778455200. Its totient is φ = 304243473600.

The previous prime is 642316430627. The next prime is 642316430663. The reversal of 642316430632 is 236034613246.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4892082 + ... + 5021662.

It is an arithmetic number, because the mean of its divisors is an integer number (39618076725).

Almost surely, 2^642316430632 is an apocalyptic number.

It is an amenable number.

642316430632 is a deficient number, since it is larger than the sum of its proper divisors (625462024568).

642316430632 is a wasteful number, since it uses less digits than its factorization.

642316430632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162217 (or 162213 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 642316430632 in words is "six hundred forty-two billion, three hundred sixteen million, four hundred thirty thousand, six hundred thirty-two".