453255544552321 has 24 divisors (see below), whose sum is σ = 527381884099296. Its totient is φ = 388412338728960.

The previous prime is 453255544552309. The next prime is 453255544552337. The reversal of 453255544552321 is 123255445552354.

It is not a de Polignac number, because 453255544552321 - 2¹¹ = 453255544550273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (453255544552021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3788846910 + ... + 3788966536.

It is an arithmetic number, because the mean of its divisors is an integer number (21974245170804).

Almost surely, 2^{453255544552321} is an apocalyptic number.

It is an amenable number.

453255544552321 is a deficient number, since it is larger than the sum of its proper divisors (74126339546975).

453255544552321 is a wasteful number, since it uses less digits than its factorization.

453255544552321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137389 (or 137382 counting only the distinct ones).

The product of its digits is 72000000, while the sum is 55.

The spelling of 453255544552321 in words is "four hundred fifty-three trillion, two hundred fifty-five billion, five hundred forty-four million, five hundred fifty-two thousand, three hundred twenty-one".