315413156509 has 4 divisors (see below), whose sum is σ = 344087079840. Its totient is φ = 286739233180.

The previous prime is 315413156491. The next prime is 315413156521. The reversal of 315413156509 is 905651314513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 315413156509 - 2⁹ = 315413155997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315413156909) 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, 14336961649 + ... + 14336961670.

It is an arithmetic number, because the mean of its divisors is an integer number (86021769960).

Almost surely, 2^315413156509 is an apocalyptic number.

It is an amenable number.

315413156509 is a deficient number, since it is larger than the sum of its proper divisors (28673923331).

315413156509 is a wasteful number, since it uses less digits than its factorization.

315413156509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28673923330.

The product of its (nonzero) digits is 243000, while the sum is 43.

The spelling of 315413156509 in words is "three hundred fifteen billion, four hundred thirteen million, one hundred fifty-six thousand, five hundred nine".