13378941722 has 16 divisors (see below), whose sum is σ = 20769625800. Its totient is φ = 6455937600.

The previous prime is 13378941671. The next prime is 13378941731. The reversal of 13378941722 is 22714987331.

It can be written as a sum of positive squares in 4 ways, for example, as 13209134761 + 169806961 = 114931^2 + 13031^2 .

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, 83972 + ... + 183872.

Almost surely, 2^13378941722 is an apocalyptic number.

13378941722 is a deficient number, since it is larger than the sum of its proper divisors (7390684078).

13378941722 is a wasteful number, since it uses less digits than its factorization.

13378941722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102241.

The product of its digits is 508032, while the sum is 47.

The spelling of 13378941722 in words is "thirteen billion, three hundred seventy-eight million, nine hundred forty-one thousand, seven hundred twenty-two".