453723402621 has 8 divisors (see below), whose sum is σ = 613251722560. Its totient is φ = 298338675552.

The previous prime is 453723402563. The next prime is 453723402659. The reversal of 453723402621 is 126204327354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 453723402621 - 2⁷ = 453723402493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 453723402621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453723402661) 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 7 ways as a sum of consecutive naturals, for example, 1035897961 + ... + 1035898398.

It is an arithmetic number, because the mean of its divisors is an integer number (76656465320).

Almost surely, 2^453723402621 is an apocalyptic number.

It is an amenable number.

453723402621 is a deficient number, since it is larger than the sum of its proper divisors (159528319939).

453723402621 is a wasteful number, since it uses less digits than its factorization.

453723402621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071796435.

The product of its (nonzero) digits is 241920, while the sum is 39.

Adding to 453723402621 its reverse (126204327354), we get a palindrome (579927729975).

The spelling of 453723402621 in words is "four hundred fifty-three billion, seven hundred twenty-three million, four hundred two thousand, six hundred twenty-one".