315723650646 has 8 divisors (see below), whose sum is σ = 631447301304. Its totient is φ = 105241216880.

The previous prime is 315723650629. The next prime is 315723650657. The reversal of 315723650646 is 646056327513.

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

315723650646 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 315723650595 and 315723650604.

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, 26310304215 + ... + 26310304226.

It is an arithmetic number, because the mean of its divisors is an integer number (78930912663).

Almost surely, 2^315723650646 is an apocalyptic number.

315723650646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315723650646 is a wasteful number, since it uses less digits than its factorization.

315723650646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52620608446.

The product of its (nonzero) digits is 2721600, while the sum is 48.

The spelling of 315723650646 in words is "three hundred fifteen billion, seven hundred twenty-three million, six hundred fifty thousand, six hundred forty-six".