642274272356 has 12 divisors (see below), whose sum is σ = 1124058419568. Its totient is φ = 321114723912.

The previous prime is 642274272337. The next prime is 642274272377. The reversal of 642274272356 is 653272472246.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5538506 + ... + 5653281.

It is an arithmetic number, because the mean of its divisors is an integer number (93671534964).

Almost surely, 2^642274272356 is an apocalyptic number.

It is an amenable number.

642274272356 is a deficient number, since it is larger than the sum of its proper divisors (481784147212).

642274272356 is a wasteful number, since it uses less digits than its factorization.

642274272356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11206138 (or 11206136 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 50.

The spelling of 642274272356 in words is "six hundred forty-two billion, two hundred seventy-four million, two hundred seventy-two thousand, three hundred fifty-six".