13376579746 has 4 divisors (see below), whose sum is σ = 20064869622. Its totient is φ = 6688289872.

The previous prime is 13376579743. The next prime is 13376579753. The reversal of 13376579746 is 64797567331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64797567331 = 7 ⋅9256795333.

It can be written as a sum of positive squares in only one way, i.e., 12987109521 + 389470225 = 113961^2 + 19735^2 .

It is not an unprimeable number, because it can be changed into a prime (13376579743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3344144935 + ... + 3344144938.

Almost surely, 2^13376579746 is an apocalyptic number.

13376579746 is a deficient number, since it is larger than the sum of its proper divisors (6688289876).

13376579746 is an equidigital number, since it uses as much as digits as its factorization.

13376579746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6688289875.

The product of its digits is 20003760, while the sum is 58.

The spelling of 13376579746 in words is "thirteen billion, three hundred seventy-six million, five hundred seventy-nine thousand, seven hundred forty-six".