315776340729 has 16 divisors (see below), whose sum is σ = 479226968640. Its totient is φ = 205382985120.

The previous prime is 315776340697. The next prime is 315776340743. The reversal of 315776340729 is 927043677513.

315776340729 is a `hidden beast` number, since 3 + 1 + 577 + 6 + 3 + 40 + 7 + 29 = 666.

It is not a de Polignac number, because 315776340729 - 2⁵ = 315776340697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315776340749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142625967 + ... + 142628180.

It is an arithmetic number, because the mean of its divisors is an integer number (29951685540).

Almost surely, 2^315776340729 is an apocalyptic number.

It is an amenable number.

315776340729 is a deficient number, since it is larger than the sum of its proper divisors (163450627911).

315776340729 is a wasteful number, since it uses less digits than its factorization.

315776340729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285254197 (or 285254191 counting only the distinct ones).

The product of its (nonzero) digits is 6667920, while the sum is 54.

The spelling of 315776340729 in words is "three hundred fifteen billion, seven hundred seventy-six million, three hundred forty thousand, seven hundred twenty-nine".