642610231062 has 8 divisors (see below), whose sum is σ = 1285220462136. Its totient is φ = 214203410352.

The previous prime is 642610231051. The next prime is 642610231079. The reversal of 642610231062 is 260132016246.

It is a sphenic number, since it is the product of 3 distinct primes.

642610231062 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53550852583 + ... + 53550852594.

It is an arithmetic number, because the mean of its divisors is an integer number (160652557767).

Almost surely, 2^642610231062 is an apocalyptic number.

642610231062 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

642610231062 is a wasteful number, since it uses less digits than its factorization.

642610231062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107101705182.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 642610231062 in words is "six hundred forty-two billion, six hundred ten million, two hundred thirty-one thousand, sixty-two".