2321593621 has 2 divisors, whose sum is σ = 2321593622. Its totient is φ = 2321593620.

The previous prime is 2321593597. The next prime is 2321593633. The reversal of 2321593621 is 1263951232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2200923396 + 120670225 = 46914^2 + 10985^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321593621 - 2¹⁵ = 2321560853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321593691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160796810 + 1160796811.

It is an arithmetic number, because the mean of its divisors is an integer number (1160796811).

Almost surely, 2^2321593621 is an apocalyptic number.

It is an amenable number.

2321593621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321593621 is an equidigital number, since it uses as much as digits as its factorization.

2321593621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The square root of 2321593621 is about 48182.9183528769. The cubic root of 2321593621 is about 1324.1242336260.

The spelling of 2321593621 in words is "two billion, three hundred twenty-one million, five hundred ninety-three thousand, six hundred twenty-one".