2582442711221 has 4 divisors (see below), whose sum is σ = 2620986632352. Its totient is φ = 2543898790092.

The previous prime is 2582442711181. The next prime is 2582442711229. The reversal of 2582442711221 is 1221172442852.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-2582442711221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2582442711229) 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 3 ways as a sum of consecutive naturals, for example, 19271960465 + ... + 19271960598.

It is an arithmetic number, because the mean of its divisors is an integer number (655246658088).

Almost surely, 2^{2582442711221} is an apocalyptic number.

It is an amenable number.

2582442711221 is a deficient number, since it is larger than the sum of its proper divisors (38543921131).

2582442711221 is an equidigital number, since it uses as much as digits as its factorization.

2582442711221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38543921130.

The product of its digits is 143360, while the sum is 41.

The spelling of 2582442711221 in words is "two trillion, five hundred eighty-two billion, four hundred forty-two million, seven hundred eleven thousand, two hundred twenty-one".