14581100921 has 2 divisors, whose sum is σ = 14581100922. Its totient is φ = 14581100920.

The previous prime is 14581100917. The next prime is 14581100929. The reversal of 14581100921 is 12900118541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14450684521 + 130416400 = 120211^2 + 11420^2 .

It is a cyclic number.

It is not a de Polignac number, because 14581100921 - 2² = 14581100917 is a prime.

It is not a weakly prime, because it can be changed into another prime (14581100929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7290550460 + 7290550461.

It is an arithmetic number, because the mean of its divisors is an integer number (7290550461).

Almost surely, 2^14581100921 is an apocalyptic number.

It is an amenable number.

14581100921 is a deficient number, since it is larger than the sum of its proper divisors (1).

14581100921 is an equidigital number, since it uses as much as digits as its factorization.

14581100921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 32.

The spelling of 14581100921 in words is "fourteen billion, five hundred eighty-one million, one hundred thousand, nine hundred twenty-one".