13381919153 has 4 divisors (see below), whose sum is σ = 13565233188. Its totient is φ = 13198605120.

The previous prime is 13381919077. The next prime is 13381919197. The reversal of 13381919153 is 35191918331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5412250624 + 7969668529 = 73568^2 + 89273^2 .

It is a cyclic number.

It is not a de Polignac number, because 13381919153 - 2⁸ = 13381918897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13381919653) 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, 91656908 + ... + 91657053.

It is an arithmetic number, because the mean of its divisors is an integer number (3391308297).

Almost surely, 2^13381919153 is an apocalyptic number.

It is an amenable number.

13381919153 is a deficient number, since it is larger than the sum of its proper divisors (183314035).

13381919153 is an equidigital number, since it uses as much as digits as its factorization.

13381919153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183314034.

The product of its digits is 87480, while the sum is 44.

The spelling of 13381919153 in words is "thirteen billion, three hundred eighty-one million, nine hundred nineteen thousand, one hundred fifty-three".