14739881309 has 2 divisors, whose sum is σ = 14739881310. Its totient is φ = 14739881308.

The previous prime is 14739881249. The next prime is 14739881347. The reversal of 14739881309 is 90318893741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8308322500 + 6431558809 = 91150^2 + 80197^2 .

It is a cyclic number.

It is not a de Polignac number, because 14739881309 - 2²⁸ = 14471445853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14739881509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7369940654 + 7369940655.

It is an arithmetic number, because the mean of its divisors is an integer number (7369940655).

Almost surely, 2^14739881309 is an apocalyptic number.

It is an amenable number.

14739881309 is a deficient number, since it is larger than the sum of its proper divisors (1).

14739881309 is an equidigital number, since it uses as much as digits as its factorization.

14739881309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 14739881309 in words is "fourteen billion, seven hundred thirty-nine million, eight hundred eighty-one thousand, three hundred nine".