315396160549 has 4 divisors (see below), whose sum is σ = 317803764960. Its totient is φ = 312988556140.

The previous prime is 315396160543. The next prime is 315396160553. The reversal of 315396160549 is 945061693513.

It is a happy number.

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 315396160549 - 2¹¹ = 315396158501 is a prime.

It is a super-3 number, since 3×315396160549³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315396160496 and 315396160505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315396160543) 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, 1203802009 + ... + 1203802270.

It is an arithmetic number, because the mean of its divisors is an integer number (79450941240).

Almost surely, 2^315396160549 is an apocalyptic number.

It is an amenable number.

315396160549 is a deficient number, since it is larger than the sum of its proper divisors (2407604411).

315396160549 is a wasteful number, since it uses less digits than its factorization.

315396160549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407604410.

The product of its (nonzero) digits is 2624400, while the sum is 52.

The spelling of 315396160549 in words is "three hundred fifteen billion, three hundred ninety-six million, one hundred sixty thousand, five hundred forty-nine".