13903456579 has 4 divisors (see below), whose sum is σ = 14721306984. Its totient is φ = 13085606176.

The previous prime is 13903456571. The next prime is 13903456601. The reversal of 13903456579 is 97565430931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97565430931 = 25163 ⋅3877337.

It is a cyclic number.

It is not a de Polignac number, because 13903456579 - 2³ = 13903456571 is a prime.

It is a super-2 number, since 2×13903456579² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13903456571) 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, 408925177 + ... + 408925210.

It is an arithmetic number, because the mean of its divisors is an integer number (3680326746).

Almost surely, 2^13903456579 is an apocalyptic number.

13903456579 is a deficient number, since it is larger than the sum of its proper divisors (817850405).

13903456579 is an equidigital number, since it uses as much as digits as its factorization.

13903456579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817850404.

The product of its (nonzero) digits is 3061800, while the sum is 52.

The spelling of 13903456579 in words is "thirteen billion, nine hundred three million, four hundred fifty-six thousand, five hundred seventy-nine".