13544749679 has 16 divisors (see below), whose sum is σ = 14116300800. Its totient is φ = 12982140000.

The previous prime is 13544749663. The next prime is 13544749739. The reversal of 13544749679 is 97694744531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13544749679 - 2⁴ = 13544749663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13544749649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1629524 + ... + 1637814.

It is an arithmetic number, because the mean of its divisors is an integer number (882268800).

Almost surely, 2^13544749679 is an apocalyptic number.

13544749679 is a deficient number, since it is larger than the sum of its proper divisors (571551121).

13544749679 is a wasteful number, since it uses less digits than its factorization.

13544749679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8822.

The product of its digits is 22861440, while the sum is 59.

The spelling of 13544749679 in words is "thirteen billion, five hundred forty-four million, seven hundred forty-nine thousand, six hundred seventy-nine".