2315987339 has 4 divisors (see below), whose sum is σ = 2390696640. Its totient is φ = 2241278040.

The previous prime is 2315987327. The next prime is 2315987341. The reversal of 2315987339 is 9337895132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2315987339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315987389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37354604 + ... + 37354665.

It is an arithmetic number, because the mean of its divisors is an integer number (597674160).

Almost surely, 2^2315987339 is an apocalyptic number.

2315987339 is a deficient number, since it is larger than the sum of its proper divisors (74709301).

2315987339 is an equidigital number, since it uses as much as digits as its factorization.

2315987339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74709300.

The product of its digits is 1224720, while the sum is 50.

The square root of 2315987339 is about 48124.7061185832. The cubic root of 2315987339 is about 1323.0575242076.

The spelling of 2315987339 in words is "two billion, three hundred fifteen million, nine hundred eighty-seven thousand, three hundred thirty-nine".