2315915916 has 24 divisors (see below), whose sum is σ = 5721675120. Its totient is φ = 726561792.

The previous prime is 2315915893. The next prime is 2315915969. The reversal of 2315915916 is 6195195132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5676061 + ... + 5676468.

It is an arithmetic number, because the mean of its divisors is an integer number (238403130).

Almost surely, 2^2315915916 is an apocalyptic number.

It is an amenable number.

2315915916 is an abundant number, since it is smaller than the sum of its proper divisors (3405759204).

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

2315915916 is a wasteful number, since it uses less digits than its factorization.

2315915916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11352553 (or 11352551 counting only the distinct ones).

The product of its digits is 72900, while the sum is 42.

The square root of 2315915916 is about 48123.9640511876. The cubic root of 2315915916 is about 1323.0439234267.

The spelling of 2315915916 in words is "two billion, three hundred fifteen million, nine hundred fifteen thousand, nine hundred sixteen".