454356653453 has 4 divisors (see below), whose sum is σ = 454766353980. Its totient is φ = 453946952928.

The previous prime is 454356653449. The next prime is 454356653483. The reversal of 454356653453 is 354356653454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354356653454 = 2 ⋅177178326727.

It can be written as a sum of positive squares in 2 ways, for example, as 40633690084 + 413722963369 = 201578^2 + 643213^2 .

It is a cyclic number.

It is not a de Polignac number, because 454356653453 - 2² = 454356653449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 454356653395 and 454356653404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454356653483) 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 in 3 ways as a sum of consecutive naturals, for example, 204848600 + ... + 204850817.

It is an arithmetic number, because the mean of its divisors is an integer number (113691588495).

Almost surely, 2^454356653453 is an apocalyptic number.

It is an amenable number.

454356653453 is a deficient number, since it is larger than the sum of its proper divisors (409700527).

454356653453 is a wasteful number, since it uses less digits than its factorization.

454356653453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409700526.

The product of its digits is 38880000, while the sum is 53.

Subtracting from 454356653453 its reverse (354356653454), we obtain a palindrome (99999999999).

The spelling of 454356653453 in words is "four hundred fifty-four billion, three hundred fifty-six million, six hundred fifty-three thousand, four hundred fifty-three".