642051753322 has 32 divisors (see below), whose sum is σ = 1112753600640. Its totient is φ = 272150746560.

The previous prime is 642051753307. The next prime is 642051753433. The reversal of 642051753322 is 223357150246.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472297 + ... + 1227667.

It is an arithmetic number, because the mean of its divisors is an integer number (34773550020).

Almost surely, 2^642051753322 is an apocalyptic number.

642051753322 is a deficient number, since it is larger than the sum of its proper divisors (470701847318).

642051753322 is a wasteful number, since it uses less digits than its factorization.

642051753322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756046.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 642051753322 in words is "six hundred forty-two billion, fifty-one million, seven hundred fifty-three thousand, three hundred twenty-two".