2593387621 has 16 divisors (see below), whose sum is σ = 3012344640. Its totient is φ = 2206516480.

The previous prime is 2593387613. The next prime is 2593387633. The reversal of 2593387621 is 1267833952.

It is a cyclic number.

It is not a de Polignac number, because 2593387621 - 2³ = 2593387613 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 (2593387651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5266 + ... + 72211.

It is an arithmetic number, because the mean of its divisors is an integer number (188271540).

Almost surely, 2^2593387621 is an apocalyptic number.

It is an amenable number.

2593387621 is a deficient number, since it is larger than the sum of its proper divisors (418957019).

2593387621 is a wasteful number, since it uses less digits than its factorization.

2593387621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77684.

The product of its digits is 544320, while the sum is 46.

The square root of 2593387621 is about 50925.3141472883. The cubic root of 2593387621 is about 1373.9021753468.

The spelling of 2593387621 in words is "two billion, five hundred ninety-three million, three hundred eighty-seven thousand, six hundred twenty-one".