14485760921 has 2 divisors, whose sum is σ = 14485760922. Its totient is φ = 14485760920.

The previous prime is 14485760869. The next prime is 14485760969. The reversal of 14485760921 is 12906758441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11587446025 + 2898314896 = 107645^2 + 53836^2 .

It is a cyclic number.

It is not a de Polignac number, because 14485760921 - 2¹⁸ = 14485498777 is a prime.

It is not a weakly prime, because it can be changed into another prime (14485750921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7242880460 + 7242880461.

It is an arithmetic number, because the mean of its divisors is an integer number (7242880461).

Almost surely, 2^14485760921 is an apocalyptic number.

It is an amenable number.

14485760921 is a deficient number, since it is larger than the sum of its proper divisors (1).

14485760921 is an equidigital number, since it uses as much as digits as its factorization.

14485760921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 14485760921 in words is "fourteen billion, four hundred eighty-five million, seven hundred sixty thousand, nine hundred twenty-one".