13204232919 has 12 divisors (see below), whose sum is σ = 19334052816. Its totient is φ = 8682234912.

The previous prime is 13204232917. The next prime is 13204232959. The reversal of 13204232919 is 91923240231.

13204232919 is a `hidden beast` number, since 1 + 320 + 4 + 2 + 329 + 1 + 9 = 666.

It is not a de Polignac number, because 13204232919 - 2¹ = 13204232917 is a prime.

It is a super-2 number, since 2×13204232919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204232917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10048227 + ... + 10049540.

It is an arithmetic number, because the mean of its divisors is an integer number (1611171068).

Almost surely, 2^13204232919 is an apocalyptic number.

13204232919 is a deficient number, since it is larger than the sum of its proper divisors (6129819897).

13204232919 is a wasteful number, since it uses less digits than its factorization.

13204232919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20097846 (or 20097843 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 13204232919 in words is "thirteen billion, two hundred four million, two hundred thirty-two thousand, nine hundred nineteen".