14747951209 has 2 divisors, whose sum is σ = 14747951210. Its totient is φ = 14747951208.

The previous prime is 14747951173. The next prime is 14747951287. The reversal of 14747951209 is 90215974741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12652875225 + 2095075984 = 112485^2 + 45772^2 .

It is a cyclic number.

It is not a de Polignac number, because 14747951209 - 2¹⁵ = 14747918441 is a prime.

It is not a weakly prime, because it can be changed into another prime (14747961209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7373975604 + 7373975605.

It is an arithmetic number, because the mean of its divisors is an integer number (7373975605).

Almost surely, 2^14747951209 is an apocalyptic number.

It is an amenable number.

14747951209 is a deficient number, since it is larger than the sum of its proper divisors (1).

14747951209 is an equidigital number, since it uses as much as digits as its factorization.

14747951209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 14747951209 in words is "fourteen billion, seven hundred forty-seven million, nine hundred fifty-one thousand, two hundred nine".