14921899007 has 2 divisors, whose sum is σ = 14921899008. Its totient is φ = 14921899006.

The previous prime is 14921898997. The next prime is 14921899061. The reversal of 14921899007 is 70099812941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14921899007 - 2²⁰ = 14920850431 is a prime.

It is a congruent number.

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 (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7460949503 + 7460949504.

It is an arithmetic number, because the mean of its divisors is an integer number (7460949504).

Almost surely, 2^14921899007 is an apocalyptic number.

14921899007 is a deficient number, since it is larger than the sum of its proper divisors (1).

14921899007 is an equidigital number, since it uses as much as digits as its factorization.

14921899007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 50.

The spelling of 14921899007 in words is "fourteen billion, nine hundred twenty-one million, eight hundred ninety-nine thousand, seven".