642310710206 has 32 divisors (see below), whose sum is σ = 1066965931008. Its totient is φ = 287541239040.

The previous prime is 642310710157. The next prime is 642310710253. The reversal of 642310710206 is 602017013246.

It is a super-2 number, since 2×642310710206² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7360526 + ... + 7447278.

It is an arithmetic number, because the mean of its divisors is an integer number (33342685344).

Almost surely, 2^642310710206 is an apocalyptic number.

642310710206 is a deficient number, since it is larger than the sum of its proper divisors (424655220802).

642310710206 is a wasteful number, since it uses less digits than its factorization.

642310710206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91856.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 642310710206 in words is "six hundred forty-two billion, three hundred ten million, seven hundred ten thousand, two hundred six".