13520873699 has 8 divisors (see below), whose sum is σ = 13576040640. Its totient is φ = 13465743616.

The previous prime is 13520873693. The next prime is 13520873753. The reversal of 13520873699 is 99637802531.

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 13520873699 - 2¹⁶ = 13520808163 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 13520873699.

It is not an unprimeable number, because it can be changed into a prime (13520873693) 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, 909107 + ... + 923859.

It is an arithmetic number, because the mean of its divisors is an integer number (1697005080).

Almost surely, 2^13520873699 is an apocalyptic number.

13520873699 is a deficient number, since it is larger than the sum of its proper divisors (55166941).

13520873699 is a wasteful number, since it uses less digits than its factorization.

13520873699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18429.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 13520873699 in words is "thirteen billion, five hundred twenty million, eight hundred seventy-three thousand, six hundred ninety-nine".