13277049553 has 4 divisors (see below), whose sum is σ = 13277703348. Its totient is φ = 13276395760.

The previous prime is 13277049517. The next prime is 13277049563. The reversal of 13277049553 is 35594077231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35594077231 = 16661 ⋅2136371.

It can be written as a sum of positive squares in 2 ways, for example, as 1983099024 + 11293950529 = 44532^2 + 106273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13277049553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13277049563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295426 + ... + 337387.

It is an arithmetic number, because the mean of its divisors is an integer number (3319425837).

Almost surely, 2^13277049553 is an apocalyptic number.

It is an amenable number.

13277049553 is a deficient number, since it is larger than the sum of its proper divisors (653795).

13277049553 is an equidigital number, since it uses as much as digits as its factorization.

13277049553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653794.

The product of its (nonzero) digits is 793800, while the sum is 46.

The spelling of 13277049553 in words is "thirteen billion, two hundred seventy-seven million, forty-nine thousand, five hundred fifty-three".