2659452637 has 2 divisors, whose sum is σ = 2659452638. Its totient is φ = 2659452636.

The previous prime is 2659452617. The next prime is 2659452683. The reversal of 2659452637 is 7362549562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2282355076 + 377097561 = 47774^2 + 19419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2659452637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2659452617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1329726318 + 1329726319.

It is an arithmetic number, because the mean of its divisors is an integer number (1329726319).

Almost surely, 2^2659452637 is an apocalyptic number.

It is an amenable number.

2659452637 is a deficient number, since it is larger than the sum of its proper divisors (1).

2659452637 is an equidigital number, since it uses as much as digits as its factorization.

2659452637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 49.

The square root of 2659452637 is about 51569.8811032176. The cubic root of 2659452637 is about 1385.4709371758.

The spelling of 2659452637 in words is "two billion, six hundred fifty-nine million, four hundred fifty-two thousand, six hundred thirty-seven".