642313313246 has 8 divisors (see below), whose sum is σ = 1051058148984. Its totient is φ = 291960596920.

The previous prime is 642313313237. The next prime is 642313313273.

642313313246 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14598029825 + ... + 14598029868.

It is an arithmetic number, because the mean of its divisors is an integer number (131382268623).

Almost surely, 2^642313313246 is an apocalyptic number.

642313313246 is a deficient number, since it is larger than the sum of its proper divisors (408744835738).

642313313246 is a wasteful number, since it uses less digits than its factorization.

642313313246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29196059706.

The product of its digits is 186624, while the sum is 38.

It can be divided in two parts, 642313 and 313246, that added together give a palindrome (955559).

The spelling of 642313313246 in words is "six hundred forty-two billion, three hundred thirteen million, three hundred thirteen thousand, two hundred forty-six".