14272298921 has 2 divisors, whose sum is σ = 14272298922. Its totient is φ = 14272298920.

The previous prime is 14272298903. The next prime is 14272298987. The reversal of 14272298921 is 12989227241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10807681600 + 3464617321 = 103960^2 + 58861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14272298921 is a prime.

It is not a weakly prime, because it can be changed into another prime (14272298221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7136149460 + 7136149461.

It is an arithmetic number, because the mean of its divisors is an integer number (7136149461).

Almost surely, 2^14272298921 is an apocalyptic number.

It is an amenable number.

14272298921 is a deficient number, since it is larger than the sum of its proper divisors (1).

14272298921 is an equidigital number, since it uses as much as digits as its factorization.

14272298921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 47.

The spelling of 14272298921 in words is "fourteen billion, two hundred seventy-two million, two hundred ninety-eight thousand, nine hundred twenty-one".