14644015453 has 2 divisors, whose sum is σ = 14644015454. Its totient is φ = 14644015452.

The previous prime is 14644015433. The next prime is 14644015471. The reversal of 14644015453 is 35451044641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9425108889 + 5218906564 = 97083^2 + 72242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14644015453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14644015433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7322007726 + 7322007727.

It is an arithmetic number, because the mean of its divisors is an integer number (7322007727).

Almost surely, 2^14644015453 is an apocalyptic number.

It is an amenable number.

14644015453 is a deficient number, since it is larger than the sum of its proper divisors (1).

14644015453 is an equidigital number, since it uses as much as digits as its factorization.

14644015453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 14644015453 in words is "fourteen billion, six hundred forty-four million, fifteen thousand, four hundred fifty-three".