453731010421 has 4 divisors (see below), whose sum is σ = 488633395852. Its totient is φ = 418828624992.

The previous prime is 453731010407. The next prime is 453731010437. The reversal of 453731010421 is 124010137354.

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 31346702500 + 422384307921 = 177050^2 + 649911^2 .

It is a cyclic number.

It is not a de Polignac number, because 453731010421 - 2⁹ = 453731009909 is a prime.

It is a super-2 number, since 2×453731010421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453731010461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17451192696 + ... + 17451192721.

It is an arithmetic number, because the mean of its divisors is an integer number (122158348963).

Almost surely, 2^453731010421 is an apocalyptic number.

It is an amenable number.

453731010421 is a deficient number, since it is larger than the sum of its proper divisors (34902385431).

453731010421 is a wasteful number, since it uses less digits than its factorization.

453731010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34902385430.

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 453731010421 its reverse (124010137354), we get a palindrome (577741147775).

The spelling of 453731010421 in words is "four hundred fifty-three billion, seven hundred thirty-one million, ten thousand, four hundred twenty-one".