13466728775 has 12 divisors (see below), whose sum is σ = 16713287424. Its totient is φ = 10764000000.

The previous prime is 13466728763. The next prime is 13466728831. The reversal of 13466728775 is 57782766431.

It is a happy number.

It is not a de Polignac number, because 13466728775 - 2¹⁰ = 13466727751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13466728775.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 205226 + ... + 262775.

It is an arithmetic number, because the mean of its divisors is an integer number (1392773952).

Almost surely, 2^13466728775 is an apocalyptic number.

13466728775 is a deficient number, since it is larger than the sum of its proper divisors (3246558649).

13466728775 is a wasteful number, since it uses less digits than its factorization.

13466728775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469162 (or 469157 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 56.

The spelling of 13466728775 in words is "thirteen billion, four hundred sixty-six million, seven hundred twenty-eight thousand, seven hundred seventy-five".