454360420126565 has 4 divisors (see below), whose sum is σ = 545232504151884. Its totient is φ = 363488336101248.

The previous prime is 454360420126549. The next prime is 454360420126579. The reversal of 454360420126565 is 565621024063454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 324216108024004 + 130144312102561 = 18006002^2 + 11408081^2 .

It is a cyclic number.

It is not a de Polignac number, because 454360420126565 - 2⁴ = 454360420126549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45436042012652 + ... + 45436042012661.

It is an arithmetic number, because the mean of its divisors is an integer number (136308126037971).

Almost surely, 2^{454360420126565} is an apocalyptic number.

It is an amenable number.

454360420126565 is a deficient number, since it is larger than the sum of its proper divisors (90872084025319).

454360420126565 is an equidigital number, since it uses as much as digits as its factorization.

454360420126565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90872084025318.

The product of its (nonzero) digits is 20736000, while the sum is 53.

The spelling of 454360420126565 in words is "four hundred fifty-four trillion, three hundred sixty billion, four hundred twenty million, one hundred twenty-six thousand, five hundred sixty-five".