15314997399 has 16 divisors (see below), whose sum is σ = 22030277472. Its totient is φ = 9407680128.

The previous prime is 15314997389. The next prime is 15314997421. The reversal of 15314997399 is 99379941351.

It is not a de Polignac number, because 15314997399 - 2²⁷ = 15180779671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15314997319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330784 + ... + 374229.

It is an arithmetic number, because the mean of its divisors is an integer number (1376892342).

Almost surely, 2^15314997399 is an apocalyptic number.

15314997399 is a deficient number, since it is larger than the sum of its proper divisors (6715280073).

15314997399 is a wasteful number, since it uses less digits than its factorization.

15314997399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705586.

The product of its digits is 8266860, while the sum is 60.

The spelling of 15314997399 in words is "fifteen billion, three hundred fourteen million, nine hundred ninety-seven thousand, three hundred ninety-nine".