14978135791 has 2 divisors, whose sum is σ = 14978135792. Its totient is φ = 14978135790.

The previous prime is 14978135759. The next prime is 14978135819. The reversal of 14978135791 is 19753187941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14978135791 - 2⁵ = 14978135759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14978135191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7489067895 + 7489067896.

It is an arithmetic number, because the mean of its divisors is an integer number (7489067896).

Almost surely, 2^14978135791 is an apocalyptic number.

14978135791 is a deficient number, since it is larger than the sum of its proper divisors (1).

14978135791 is an equidigital number, since it uses as much as digits as its factorization.

14978135791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 55.

The spelling of 14978135791 in words is "fourteen billion, nine hundred seventy-eight million, one hundred thirty-five thousand, seven hundred ninety-one".