13320450519 has 4 divisors (see below), whose sum is σ = 17760600696. Its totient is φ = 8880300344.

The previous prime is 13320450511. The next prime is 13320450541. The reversal of 13320450519 is 91505402331.

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

It is a cyclic number.

It is not a de Polignac number, because 13320450519 - 2³ = 13320450511 is a prime.

It is a super-2 number, since 2×13320450519² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13320450519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320450511) 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, 2220075084 + ... + 2220075089.

It is an arithmetic number, because the mean of its divisors is an integer number (4440150174).

Almost surely, 2^13320450519 is an apocalyptic number.

13320450519 is a deficient number, since it is larger than the sum of its proper divisors (4440150177).

13320450519 is an equidigital number, since it uses as much as digits as its factorization.

13320450519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440150176.

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 13320450519 in words is "thirteen billion, three hundred twenty million, four hundred fifty thousand, five hundred nineteen".