2590221680639 has 4 divisors (see below), whose sum is σ = 2590240740960. Its totient is φ = 2590202620320.

The previous prime is 2590221680633. The next prime is 2590221680659. The reversal of 2590221680639 is 9360861220952.

2590221680639 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2590221680639 - 2²⁰ = 2590220632063 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 (2590221680633) 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, 9324842 + ... + 9598599.

It is an arithmetic number, because the mean of its divisors is an integer number (647560185240).

Almost surely, 2^{2590221680639} is an apocalyptic number.

2590221680639 is a deficient number, since it is larger than the sum of its proper divisors (19060321).

2590221680639 is a wasteful number, since it uses less digits than its factorization.

2590221680639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19060320.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 2590221680639 in words is "two trillion, five hundred ninety billion, two hundred twenty-one million, six hundred eighty thousand, six hundred thirty-nine".