13085923519 has 8 divisors (see below), whose sum is σ = 13857142608. Its totient is φ = 12314866560.

The previous prime is 13085923423. The next prime is 13085923537. The reversal of 13085923519 is 91532958031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13085923519 - 2²⁵ = 13052369087 is a prime.

It is a super-2 number, since 2×13085923519² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13085923549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151749 + ... + 221809.

It is an arithmetic number, because the mean of its divisors is an integer number (1732142826).

Almost surely, 2^13085923519 is an apocalyptic number.

13085923519 is a deficient number, since it is larger than the sum of its proper divisors (771219089).

13085923519 is a wasteful number, since it uses less digits than its factorization.

13085923519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81065.

The product of its (nonzero) digits is 291600, while the sum is 46.

The spelling of 13085923519 in words is "thirteen billion, eighty-five million, nine hundred twenty-three thousand, five hundred nineteen".