2594208921 has 16 divisors (see below), whose sum is σ = 3481086336. Its totient is φ = 1718424576.

The previous prime is 2594208917. The next prime is 2594208931. The reversal of 2594208921 is 1298024952.

It is a happy number.

It is not a de Polignac number, because 2594208921 - 2² = 2594208917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2594208931) 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, 584316 + ... + 588738.

It is an arithmetic number, because the mean of its divisors is an integer number (217567896).

Almost surely, 2^2594208921 is an apocalyptic number.

It is an amenable number.

2594208921 is a deficient number, since it is larger than the sum of its proper divisors (886877415).

2594208921 is a wasteful number, since it uses less digits than its factorization.

2594208921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5632.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 2594208921 is about 50933.3772785587. The cubic root of 2594208921 is about 1374.0471937456.

The spelling of 2594208921 in words is "two billion, five hundred ninety-four million, two hundred eight thousand, nine hundred twenty-one".