2588221949 has 2 divisors, whose sum is σ = 2588221950. Its totient is φ = 2588221948.

The previous prime is 2588221931. The next prime is 2588221973. The reversal of 2588221949 is 9491228852.

2588221949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1626105625 + 962116324 = 40325^2 + 31018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2588221949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2588221897 and 2588221906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2588221919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1294110974 + 1294110975.

It is an arithmetic number, because the mean of its divisors is an integer number (1294110975).

Almost surely, 2^2588221949 is an apocalyptic number.

It is an amenable number.

2588221949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2588221949 is an equidigital number, since it uses as much as digits as its factorization.

2588221949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 50.

The square root of 2588221949 is about 50874.5707500319. The cubic root of 2588221949 is about 1372.9893608578.

The spelling of 2588221949 in words is "two billion, five hundred eighty-eight million, two hundred twenty-one thousand, nine hundred forty-nine".