2659449571 has 2 divisors, whose sum is σ = 2659449572. Its totient is φ = 2659449570.

The previous prime is 2659449523. The next prime is 2659449613. The reversal of 2659449571 is 1759449562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2659449571 - 2¹⁷ = 2659318499 is a prime.

It is not a weakly prime, because it can be changed into another prime (2659449511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1329724785 + 1329724786.

It is an arithmetic number, because the mean of its divisors is an integer number (1329724786).

Almost surely, 2^2659449571 is an apocalyptic number.

2659449571 is a deficient number, since it is larger than the sum of its proper divisors (1).

2659449571 is an equidigital number, since it uses as much as digits as its factorization.

2659449571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 52.

The square root of 2659449571 is about 51569.8513765553. The cubic root of 2659449571 is about 1385.4704047535.

Subtracting from 2659449571 its reverse (1759449562), we obtain a palindrome (900000009).

The spelling of 2659449571 in words is "two billion, six hundred fifty-nine million, four hundred forty-nine thousand, five hundred seventy-one".