14199698309 has 2 divisors, whose sum is σ = 14199698310. Its totient is φ = 14199698308.

The previous prime is 14199698269. The next prime is 14199698329. The reversal of 14199698309 is 90389699141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13128118084 + 1071580225 = 114578^2 + 32735^2 .

It is a cyclic number.

It is not a de Polignac number, because 14199698309 - 2⁸ = 14199698053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14199698329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7099849154 + 7099849155.

It is an arithmetic number, because the mean of its divisors is an integer number (7099849155).

Almost surely, 2^14199698309 is an apocalyptic number.

It is an amenable number.

14199698309 is a deficient number, since it is larger than the sum of its proper divisors (1).

14199698309 is an equidigital number, since it uses as much as digits as its factorization.

14199698309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3779136, while the sum is 59.

The spelling of 14199698309 in words is "fourteen billion, one hundred ninety-nine million, six hundred ninety-eight thousand, three hundred nine".