13579124579 has 4 divisors (see below), whose sum is σ = 13946127984. Its totient is φ = 13212121176.

The previous prime is 13579124557. The next prime is 13579124597. The reversal of 13579124579 is 97542197531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97542197531 = 31 ⋅3146522501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13579124579 is a prime.

It is a Duffinian number.

13579124579 is a modest number, since divided by 124579 gives 13579 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 13579124579.

It is not an unprimeable number, because it can be changed into a prime (13579124479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183501647 + ... + 183501720.

It is an arithmetic number, because the mean of its divisors is an integer number (3486531996).

Almost surely, 2^13579124579 is an apocalyptic number.

13579124579 is a deficient number, since it is larger than the sum of its proper divisors (367003405).

13579124579 is an equidigital number, since it uses as much as digits as its factorization.

13579124579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367003404.

The product of its digits is 2381400, while the sum is 53.

The spelling of 13579124579 in words is "thirteen billion, five hundred seventy-nine million, one hundred twenty-four thousand, five hundred seventy-nine".