2659588993 has 4 divisors (see below), whose sum is σ = 2663541508. Its totient is φ = 2655636480.

The previous prime is 2659588979. The next prime is 2659589027. The reversal of 2659588993 is 3998859562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 385062129 + 2274526864 = 19623^2 + 47692^2 .

It is a cyclic number.

It is not a de Polignac number, because 2659588993 - 2¹³ = 2659580801 is a prime.

It is a super-2 number, since 2×2659588993² = 14146827223373508098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2659588903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1975248 + ... + 1976593.

It is an arithmetic number, because the mean of its divisors is an integer number (665885377).

Almost surely, 2^2659588993 is an apocalyptic number.

It is an amenable number.

2659588993 is a deficient number, since it is larger than the sum of its proper divisors (3952515).

2659588993 is an equidigital number, since it uses as much as digits as its factorization.

2659588993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952514.

The product of its digits is 41990400, while the sum is 64.

The square root of 2659588993 is about 51571.2031370221. The cubic root of 2659588993 is about 1385.4946154876.

The spelling of 2659588993 in words is "two billion, six hundred fifty-nine million, five hundred eighty-eight thousand, nine hundred ninety-three".