13291017553 has 4 divisors (see below), whose sum is σ = 14499291888. Its totient is φ = 12082743220.

The previous prime is 13291017539. The next prime is 13291017581. The reversal of 13291017553 is 35571019231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13291017553 - 2¹⁷ = 13290886481 is a prime.

It is a super-2 number, since 2×13291017553² (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 (13291017253) 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, 604137151 + ... + 604137172.

It is an arithmetic number, because the mean of its divisors is an integer number (3624822972).

Almost surely, 2^13291017553 is an apocalyptic number.

It is an amenable number.

13291017553 is a deficient number, since it is larger than the sum of its proper divisors (1208274335).

13291017553 is a wasteful number, since it uses less digits than its factorization.

13291017553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208274334.

The product of its (nonzero) digits is 28350, while the sum is 37.

The spelling of 13291017553 in words is "thirteen billion, two hundred ninety-one million, seventeen thousand, five hundred fifty-three".