13381865558229 has 16 divisors (see below), whose sum is σ = 21464646510080. Its totient is φ = 7244318196720.

The previous prime is 13381865558221. The next prime is 13381865558339. The reversal of 13381865558229 is 92285556818331.

It is not a de Polignac number, because 13381865558229 - 2³ = 13381865558221 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 13381865558229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13381865558221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16769254687 + ... + 16769255484.

It is an arithmetic number, because the mean of its divisors is an integer number (1341540406880).

Almost surely, 2^{13381865558229} is an apocalyptic number.

13381865558229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13381865558229 is a deficient number, since it is larger than the sum of its proper divisors (8082780951851).

13381865558229 is a wasteful number, since it uses less digits than its factorization.

13381865558229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33538510200.

The product of its digits is 124416000, while the sum is 66.

The spelling of 13381865558229 in words is "thirteen trillion, three hundred eighty-one billion, eight hundred sixty-five million, five hundred fifty-eight thousand, two hundred twenty-nine".