13379693641 has 6 divisors (see below), whose sum is σ = 13437014426. Its totient is φ = 13322388000.

The previous prime is 13379693629. The next prime is 13379693659. The reversal of 13379693641 is 14639697331.

It can be written as a sum of positive squares in only one way, i.e., 12491415225 + 888278416 = 111765^2 + 29804^2 .

It is not a de Polignac number, because 13379693641 - 2¹⁵ = 13379660873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13379693741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1791966 + ... + 1799416.

Almost surely, 2^13379693641 is an apocalyptic number.

It is an amenable number.

13379693641 is a deficient number, since it is larger than the sum of its proper divisors (57320785).

13379693641 is an frugal number, since it uses more digits than its factorization.

13379693641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15143 (or 7692 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 52.

The spelling of 13379693641 in words is "thirteen billion, three hundred seventy-nine million, six hundred ninety-three thousand, six hundred forty-one".