2580364690621 has 16 divisors (see below), whose sum is σ = 2667428288640. Its totient is φ = 2494239410880.

The previous prime is 2580364690571. The next prime is 2580364690637. The reversal of 2580364690621 is 1260964630852.

It is a cyclic number.

It is not a de Polignac number, because 2580364690621 - 2⁷ = 2580364690493 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 (2580364690121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6843400 + ... + 7210606.

It is an arithmetic number, because the mean of its divisors is an integer number (166714268040).

Almost surely, 2^{2580364690621} is an apocalyptic number.

It is an amenable number.

2580364690621 is a deficient number, since it is larger than the sum of its proper divisors (87063598019).

2580364690621 is a wasteful number, since it uses less digits than its factorization.

2580364690621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368484.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 2580364690621 in words is "two trillion, five hundred eighty billion, three hundred sixty-four million, six hundred ninety thousand, six hundred twenty-one".