13075551479 has 4 divisors (see below), whose sum is σ = 13844701584. Its totient is φ = 12306401376.

The previous prime is 13075551427. The next prime is 13075551493. The reversal of 13075551479 is 97415557031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13075551479 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 (13075551409) 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, 384575027 + ... + 384575060.

It is an arithmetic number, because the mean of its divisors is an integer number (3461175396).

Almost surely, 2^13075551479 is an apocalyptic number.

13075551479 is a deficient number, since it is larger than the sum of its proper divisors (769150105).

13075551479 is an equidigital number, since it uses as much as digits as its factorization.

13075551479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769150104.

The product of its (nonzero) digits is 661500, while the sum is 47.

The spelling of 13075551479 in words is "thirteen billion, seventy-five million, five hundred fifty-one thousand, four hundred seventy-nine".