13647901379 has 4 divisors (see below), whose sum is σ = 15597601584. Its totient is φ = 11698201176.

The previous prime is 13647901327. The next prime is 13647901387. The reversal of 13647901379 is 97310974631.

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

It is a cyclic number.

It is not a de Polignac number, because 13647901379 - 2⁸ = 13647901123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13647901079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974850092 + ... + 974850105.

It is an arithmetic number, because the mean of its divisors is an integer number (3899400396).

Almost surely, 2^13647901379 is an apocalyptic number.

13647901379 is a deficient number, since it is larger than the sum of its proper divisors (1949700205).

13647901379 is an equidigital number, since it uses as much as digits as its factorization.

13647901379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949700204.

The product of its (nonzero) digits is 857304, while the sum is 50.

The spelling of 13647901379 in words is "thirteen billion, six hundred forty-seven million, nine hundred one thousand, three hundred seventy-nine".