13119778696 has 32 divisors (see below), whose sum is σ = 26236778040. Its totient is φ = 6128939008.

The previous prime is 13119778667. The next prime is 13119778717. The reversal of 13119778696 is 69687791131.

It can be written as a sum of positive squares in 4 ways, for example, as 11340120100 + 1779658596 = 106490^2 + 42186^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13119778696.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333445 + ... + 370708.

Almost surely, 2^13119778696 is an apocalyptic number.

It is an amenable number.

13119778696 is a deficient number, since it is larger than the sum of its proper divisors (13116999344).

13119778696 is a wasteful number, since it uses less digits than its factorization.

13119778696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704313 (or 704309 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 58.

The spelling of 13119778696 in words is "thirteen billion, one hundred nineteen million, seven hundred seventy-eight thousand, six hundred ninety-six".