14308402991 has 2 divisors, whose sum is σ = 14308402992. Its totient is φ = 14308402990.

The previous prime is 14308402981. The next prime is 14308402993. The reversal of 14308402991 is 19920480341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14308402991 - 2¹⁰ = 14308401967 is a prime.

It is a Sophie Germain prime.

Together with 14308402993, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14308402993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7154201495 + 7154201496.

It is an arithmetic number, because the mean of its divisors is an integer number (7154201496).

Almost surely, 2^14308402991 is an apocalyptic number.

14308402991 is a deficient number, since it is larger than the sum of its proper divisors (1).

14308402991 is an equidigital number, since it uses as much as digits as its factorization.

14308402991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 14308402991 in words is "fourteen billion, three hundred eight million, four hundred two thousand, nine hundred ninety-one".