13930478990 has 32 divisors (see below), whose sum is σ = 26434473984. Its totient is φ = 5277705120.

The previous prime is 13930478987. The next prime is 13930479001. The reversal of 13930478990 is 9987403931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463484 + ... + 492623.

It is an arithmetic number, because the mean of its divisors is an integer number (826077312).

Almost surely, 2^13930478990 is an apocalyptic number.

13930478990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13930478990 is a deficient number, since it is larger than the sum of its proper divisors (12503994994).

13930478990 is a wasteful number, since it uses less digits than its factorization.

13930478990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956192.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 13930478990 in words is "thirteen billion, nine hundred thirty million, four hundred seventy-eight thousand, nine hundred ninety".