13179983378 has 8 divisors (see below), whose sum is σ = 19777195980. Its totient is φ = 6587584720.

The previous prime is 13179983371. The next prime is 13179983387. The reversal of 13179983378 is 87338997131.

It can be written as a sum of positive squares in 2 ways, for example, as 13162284529 + 17698849 = 114727^2 + 4207^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13179983371) 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, 1196633 + ... + 1207596.

Almost surely, 2^13179983378 is an apocalyptic number.

13179983378 is a deficient number, since it is larger than the sum of its proper divisors (6597212602).

13179983378 is a wasteful number, since it uses less digits than its factorization.

13179983378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406972.

The product of its digits is 6858432, while the sum is 59.

The spelling of 13179983378 in words is "thirteen billion, one hundred seventy-nine million, nine hundred eighty-three thousand, three hundred seventy-eight".