4572104572321 has 18 divisors (see below), whose sum is σ = 5441853082470. Its totient is φ = 3836731092480.

The previous prime is 4572104572313. The next prime is 4572104572333. The reversal of 4572104572321 is 1232754012754.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 109190593600 + 4462913978721 = 330440^2 + 2112561^2 .

It is not a de Polignac number, because 4572104572321 - 2³ = 4572104572313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4572104572361) 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 17 ways as a sum of consecutive naturals, for example, 111772416 + ... + 111813313.

Almost surely, 2^{4572104572321} is an apocalyptic number.

It is an amenable number.

4572104572321 is a deficient number, since it is larger than the sum of its proper divisors (869748510149).

4572104572321 is a wasteful number, since it uses less digits than its factorization.

4572104572321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223585777 (or 223585753 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 4572104572321 in words is "four trillion, five hundred seventy-two billion, one hundred four million, five hundred seventy-two thousand, three hundred twenty-one".