13378839398 has 16 divisors (see below), whose sum is σ = 21695417520. Its totient is φ = 6166064736.

The previous prime is 13378839391. The next prime is 13378839403. The reversal of 13378839398 is 89393887331.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13378839398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13378839391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4756361 + ... + 4759172.

It is an arithmetic number, because the mean of its divisors is an integer number (1355963595).

Almost surely, 2^13378839398 is an apocalyptic number.

13378839398 is a deficient number, since it is larger than the sum of its proper divisors (8316578122).

13378839398 is a wasteful number, since it uses less digits than its factorization.

13378839398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9515591.

The product of its digits is 23514624, while the sum is 62.

The spelling of 13378839398 in words is "thirteen billion, three hundred seventy-eight million, eight hundred thirty-nine thousand, three hundred ninety-eight".