642411573206 has 16 divisors (see below), whose sum is σ = 1073525972400. Its totient is φ = 286273591968.

The previous prime is 642411573143. The next prime is 642411573229. The reversal of 642411573206 is 602375114246.

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 7 ways as a sum of consecutive naturals, for example, 426001616 + ... + 426003123.

It is an arithmetic number, because the mean of its divisors is an integer number (67095373275).

Almost surely, 2^642411573206 is an apocalyptic number.

642411573206 is a deficient number, since it is larger than the sum of its proper divisors (431114399194).

642411573206 is a wasteful number, since it uses less digits than its factorization.

642411573206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852004783.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 642411573206 in words is "six hundred forty-two billion, four hundred eleven million, five hundred seventy-three thousand, two hundred six".