2644632593 has 2 divisors, whose sum is σ = 2644632594. Its totient is φ = 2644632592.

The previous prime is 2644632517. The next prime is 2644632611. The reversal of 2644632593 is 3952364462.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2248940929 + 395691664 = 47423^2 + 19892^2 .

It is a cyclic number.

It is not a de Polignac number, because 2644632593 - 2¹⁴ = 2644616209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2644632503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322316296 + 1322316297.

It is an arithmetic number, because the mean of its divisors is an integer number (1322316297).

Almost surely, 2^2644632593 is an apocalyptic number.

It is an amenable number.

2644632593 is a deficient number, since it is larger than the sum of its proper divisors (1).

2644632593 is an equidigital number, since it uses as much as digits as its factorization.

2644632593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 44.

The square root of 2644632593 is about 51425.9914148478. The cubic root of 2644632593 is about 1382.8925871957.

The spelling of 2644632593 in words is "two billion, six hundred forty-four million, six hundred thirty-two thousand, five hundred ninety-three".