14921899297 has 2 divisors, whose sum is σ = 14921899298. Its totient is φ = 14921899296.

The previous prime is 14921899271. The next prime is 14921899303. The reversal of 14921899297 is 79299812941.

14921899297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14396160256 + 525739041 = 119984^2 + 22929^2 .

It is a cyclic number.

It is not a de Polignac number, because 14921899297 - 2¹⁵ = 14921866529 is a prime.

It is not a weakly prime, because it can be changed into another prime (14921899207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7460949648 + 7460949649.

It is an arithmetic number, because the mean of its divisors is an integer number (7460949649).

Almost surely, 2^14921899297 is an apocalyptic number.

It is an amenable number.

14921899297 is a deficient number, since it is larger than the sum of its proper divisors (1).

14921899297 is an equidigital number, since it uses as much as digits as its factorization.

14921899297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 61.

The spelling of 14921899297 in words is "fourteen billion, nine hundred twenty-one million, eight hundred ninety-nine thousand, two hundred ninety-seven".