13930478911 has 2 divisors, whose sum is σ = 13930478912. Its totient is φ = 13930478910.

The previous prime is 13930478893. The next prime is 13930478951. The reversal of 13930478911 is 11987403931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13930478911 - 2¹¹ = 13930476863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13930478951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6965239455 + 6965239456.

It is an arithmetic number, because the mean of its divisors is an integer number (6965239456).

Almost surely, 2^13930478911 is an apocalyptic number.

13930478911 is a deficient number, since it is larger than the sum of its proper divisors (1).

13930478911 is an equidigital number, since it uses as much as digits as its factorization.

13930478911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 13930478911 in words is "thirteen billion, nine hundred thirty million, four hundred seventy-eight thousand, nine hundred eleven".