14654243921 has 2 divisors, whose sum is σ = 14654243922. Its totient is φ = 14654243920.

The previous prime is 14654243911. The next prime is 14654243941. The reversal of 14654243921 is 12934245641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10294943296 + 4359300625 = 101464^2 + 66025^2 .

It is a cyclic number.

It is not a de Polignac number, because 14654243921 - 2³⁰ = 13580502097 is a prime.

It is not a weakly prime, because it can be changed into another prime (14654243911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7327121960 + 7327121961.

It is an arithmetic number, because the mean of its divisors is an integer number (7327121961).

Almost surely, 2^14654243921 is an apocalyptic number.

It is an amenable number.

14654243921 is a deficient number, since it is larger than the sum of its proper divisors (1).

14654243921 is an equidigital number, since it uses as much as digits as its factorization.

14654243921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The spelling of 14654243921 in words is "fourteen billion, six hundred fifty-four million, two hundred forty-three thousand, nine hundred twenty-one".