13915298733609 has 96 divisors (see below), whose sum is σ = 23613940531200. Its totient is φ = 7282131450048.

The previous prime is 13915298733607. The next prime is 13915298733647. The reversal of 13915298733609 is 90633789251931.

It is not a de Polignac number, because 13915298733609 - 2¹ = 13915298733607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13915298733609.

It is not an unprimeable number, because it can be changed into a prime (13915298733607) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21770394 + ... + 22400460.

It is an arithmetic number, because the mean of its divisors is an integer number (245978547200).

Almost surely, 2^{13915298733609} is an apocalyptic number.

It is an amenable number.

13915298733609 is a deficient number, since it is larger than the sum of its proper divisors (9698641797591).

13915298733609 is a wasteful number, since it uses less digits than its factorization.

13915298733609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630244 (or 630217 counting only the distinct ones).

The product of its (nonzero) digits is 66134880, while the sum is 66.

The spelling of 13915298733609 in words is "thirteen trillion, nine hundred fifteen billion, two hundred ninety-eight million, seven hundred thirty-three thousand, six hundred nine".