2544255334321 has 4 divisors (see below), whose sum is σ = 2544905876544. Its totient is φ = 2543604792100.

The previous prime is 2544255334319. The next prime is 2544255334331. The reversal of 2544255334321 is 1234335524452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2544255334321 - 2¹ = 2544255334319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2544255334331) 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, 325265245 + ... + 325273066.

It is an arithmetic number, because the mean of its divisors is an integer number (636226469136).

Almost surely, 2^{2544255334321} is an apocalyptic number.

It is an amenable number.

2544255334321 is a deficient number, since it is larger than the sum of its proper divisors (650542223).

2544255334321 is an equidigital number, since it uses as much as digits as its factorization.

2544255334321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650542222.

The product of its digits is 1728000, while the sum is 43.

The spelling of 2544255334321 in words is "two trillion, five hundred forty-four billion, two hundred fifty-five million, three hundred thirty-four thousand, three hundred twenty-one".