2560282442821 has 4 divisors (see below), whose sum is σ = 2560316392192. Its totient is φ = 2560248493452.

The previous prime is 2560282442803. The next prime is 2560282442869. The reversal of 2560282442821 is 1282442820652.

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 2560282442821 - 2¹³ = 2560282434629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560282443821) 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, 16861311 + ... + 17012476.

It is an arithmetic number, because the mean of its divisors is an integer number (640079098048).

Almost surely, 2^{2560282442821} is an apocalyptic number.

It is an amenable number.

2560282442821 is a deficient number, since it is larger than the sum of its proper divisors (33949371).

2560282442821 is an equidigital number, since it uses as much as digits as its factorization.

2560282442821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33949370.

The product of its (nonzero) digits is 983040, while the sum is 46.

The spelling of 2560282442821 in words is "two trillion, five hundred sixty billion, two hundred eighty-two million, four hundred forty-two thousand, eight hundred twenty-one".