642573772514 has 8 divisors (see below), whose sum is σ = 964474196688. Its totient is φ = 321082373620.

The previous prime is 642573772513. The next prime is 642573772537. The reversal of 642573772514 is 415277375246.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (642573772513) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 102252392 + ... + 102258675.

It is an arithmetic number, because the mean of its divisors is an integer number (120559274586).

Almost surely, 2^642573772514 is an apocalyptic number.

642573772514 is a deficient number, since it is larger than the sum of its proper divisors (321900424174).

642573772514 is a wasteful number, since it uses less digits than its factorization.

642573772514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204512640.

The product of its digits is 9878400, while the sum is 53.

The spelling of 642573772514 in words is "six hundred forty-two billion, five hundred seventy-three million, seven hundred seventy-two thousand, five hundred fourteen".