2315919479 has 2 divisors, whose sum is σ = 2315919480. Its totient is φ = 2315919478.

The previous prime is 2315919467. The next prime is 2315919533. The reversal of 2315919479 is 9749195132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2315919479 - 2⁸ = 2315919223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2315919409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157959739 + 1157959740.

It is an arithmetic number, because the mean of its divisors is an integer number (1157959740).

Almost surely, 2^2315919479 is an apocalyptic number.

2315919479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315919479 is an equidigital number, since it uses as much as digits as its factorization.

2315919479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 50.

The square root of 2315919479 is about 48124.0010701521. The cubic root of 2315919479 is about 1323.0446019204.

The spelling of 2315919479 in words is "two billion, three hundred fifteen million, nine hundred nineteen thousand, four hundred seventy-nine".