13390644297 has 4 divisors (see below), whose sum is σ = 17854192400. Its totient is φ = 8927096196.

The previous prime is 13390644271. The next prime is 13390644373. The reversal of 13390644297 is 79244609331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13390644297 - 2¹⁵ = 13390611529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13390644247) 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, 2231774047 + ... + 2231774052.

It is an arithmetic number, because the mean of its divisors is an integer number (4463548100).

Almost surely, 2^13390644297 is an apocalyptic number.

It is an amenable number.

13390644297 is a deficient number, since it is larger than the sum of its proper divisors (4463548103).

13390644297 is an equidigital number, since it uses as much as digits as its factorization.

13390644297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4463548102.

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 13390644297 in words is "thirteen billion, three hundred ninety million, six hundred forty-four thousand, two hundred ninety-seven".