13556745079 has 8 divisors (see below), whose sum is σ = 14149426032. Its totient is φ = 12976541760.

The previous prime is 13556745061. The next prime is 13556745113. The reversal of 13556745079 is 97054765531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13556745079 - 2¹⁹ = 13556220791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13556745029) 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, 3117189 + ... + 3121534.

It is an arithmetic number, because the mean of its divisors is an integer number (1768678254).

Almost surely, 2^13556745079 is an apocalyptic number.

13556745079 is a deficient number, since it is larger than the sum of its proper divisors (592680953).

13556745079 is an equidigital number, since it uses as much as digits as its factorization.

13556745079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238817.

The product of its (nonzero) digits is 3969000, while the sum is 52.

The spelling of 13556745079 in words is "thirteen billion, five hundred fifty-six million, seven hundred forty-five thousand, seventy-nine".