315759716648 has 16 divisors (see below), whose sum is σ = 592463800500. Its totient is φ = 157769369856.

The previous prime is 315759716647. The next prime is 315759716669. The reversal of 315759716648 is 846617957513.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 255225019204 + 60534697444 = 505198^2 + 246038^2 .

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (315759716647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13798913 + ... + 13821776.

Almost surely, 2^315759716648 is an apocalyptic number.

It is an amenable number.

315759716648 is a deficient number, since it is larger than the sum of its proper divisors (276704083852).

315759716648 is a wasteful number, since it uses less digits than its factorization.

315759716648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27622124 (or 27622120 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 62.

The spelling of 315759716648 in words is "three hundred fifteen billion, seven hundred fifty-nine million, seven hundred sixteen thousand, six hundred forty-eight".