2668495593 has 16 divisors (see below), whose sum is σ = 3888815616. Its totient is φ = 1620337920.

The previous prime is 2668495589. The next prime is 2668495597. The reversal of 2668495593 is 3955948662.

It is an interprime number because it is at equal distance from previous prime (2668495589) and next prime (2668495597).

It is not a de Polignac number, because 2668495593 - 2² = 2668495589 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2668495597) 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, 842346 + ... + 845507.

It is an arithmetic number, because the mean of its divisors is an integer number (243050976).

Almost surely, 2^2668495593 is an apocalyptic number.

It is an amenable number.

2668495593 is a deficient number, since it is larger than the sum of its proper divisors (1220320023).

2668495593 is a wasteful number, since it uses less digits than its factorization.

2668495593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687904.

The product of its digits is 13996800, while the sum is 57.

The square root of 2668495593 is about 51657.4834172165. The cubic root of 2668495593 is about 1387.0395029249.

The spelling of 2668495593 in words is "two billion, six hundred sixty-eight million, four hundred ninety-five thousand, five hundred ninety-three".