13345937957879 has 4 divisors (see below), whose sum is σ = 13347671429400. Its totient is φ = 13344204486360.

The previous prime is 13345937957867. The next prime is 13345937957917. The reversal of 13345937957879 is 97875973954331.

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 13345937957879 - 2²⁰ = 13345936909303 is a prime.

It is a super-2 number, since 2×13345937957879² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13345937953879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866724212 + ... + 866739609.

It is an arithmetic number, because the mean of its divisors is an integer number (3336917857350).

Almost surely, 2^{13345937957879} is an apocalyptic number.

13345937957879 is a deficient number, since it is larger than the sum of its proper divisors (1733471521).

13345937957879 is an equidigital number, since it uses as much as digits as its factorization.

13345937957879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733471520.

The product of its digits is 5401015200, while the sum is 80.

The spelling of 13345937957879 in words is "thirteen trillion, three hundred forty-five billion, nine hundred thirty-seven million, nine hundred fifty-seven thousand, eight hundred seventy-nine".