13953738379 has 8 divisors (see below), whose sum is σ = 16272581600. Its totient is φ = 11960346888.

The previous prime is 13953738347. The next prime is 13953738389. The reversal of 13953738379 is 97383735931.

It is a happy number.

It is not a de Polignac number, because 13953738379 - 2⁵ = 13953738347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13953738389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20340384 + ... + 20341069.

It is an arithmetic number, because the mean of its divisors is an integer number (2034072700).

Almost surely, 2^13953738379 is an apocalyptic number.

13953738379 is a deficient number, since it is larger than the sum of its proper divisors (2318843221).

13953738379 is an frugal number, since it uses more digits than its factorization.

13953738379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40681474 (or 40681460 counting only the distinct ones).

The product of its digits is 12859560, while the sum is 58.

The spelling of 13953738379 in words is "thirteen billion, nine hundred fifty-three million, seven hundred thirty-eight thousand, three hundred seventy-nine".