2593688891 has 2 divisors, whose sum is σ = 2593688892. Its totient is φ = 2593688890.

The previous prime is 2593688849. The next prime is 2593688927. The reversal of 2593688891 is 1988863952.

2593688891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2593688891 - 2¹⁰ = 2593687867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2593688891.

It is not a weakly prime, because it can be changed into another prime (2593688821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1296844445 + 1296844446.

It is an arithmetic number, because the mean of its divisors is an integer number (1296844446).

Almost surely, 2^2593688891 is an apocalyptic number.

2593688891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2593688891 is an equidigital number, since it uses as much as digits as its factorization.

2593688891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 59.

The square root of 2593688891 is about 50928.2720205585. The cubic root of 2593688891 is about 1373.9553746806.

The spelling of 2593688891 in words is "two billion, five hundred ninety-three million, six hundred eighty-eight thousand, eight hundred ninety-one".