13519927922 has 6 divisors (see below), whose sum is σ = 20280138543. Its totient is φ = 6759881742.

The previous prime is 13519927921. The next prime is 13519927937. The reversal of 13519927922 is 22972991531.

It can be written as a sum of positive squares in only one way, i.e., 6759963961 + 6759963961 = 82219^2 + 82219^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=82219.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13519927921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 123329 + ... + 205547.

Almost surely, 2^13519927922 is an apocalyptic number.

13519927922 is a deficient number, since it is larger than the sum of its proper divisors (6760210621).

13519927922 is an frugal number, since it uses more digits than its factorization.

13519927922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164440 (or 82221 counting only the distinct ones).

The product of its digits is 612360, while the sum is 50.

Multiplying 13519927922 by its sum of digits (50), we get a square (675996396100 = 822190²).

The spelling of 13519927922 in words is "thirteen billion, five hundred nineteen million, nine hundred twenty-seven thousand, nine hundred twenty-two".