2659499291 has 2 divisors, whose sum is σ = 2659499292. Its totient is φ = 2659499290.

The previous prime is 2659499267. The next prime is 2659499299. The reversal of 2659499291 is 1929949562.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2659499291 is a prime.

It is not a weakly prime, because it can be changed into another prime (2659499299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1329749645 + 1329749646.

It is an arithmetic number, because the mean of its divisors is an integer number (1329749646).

Almost surely, 2^2659499291 is an apocalyptic number.

2659499291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2659499291 is an equidigital number, since it uses as much as digits as its factorization.

2659499291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3149280, while the sum is 56.

The square root of 2659499291 is about 51570.3334389065. Note that the first 3 decimals coincide. The cubic root of 2659499291 is about 1385.4790387656.

The spelling of 2659499291 in words is "two billion, six hundred fifty-nine million, four hundred ninety-nine thousand, two hundred ninety-one".