2659245157 has 2 divisors, whose sum is σ = 2659245158. Its totient is φ = 2659245156.

The previous prime is 2659245143. The next prime is 2659245191. The reversal of 2659245157 is 7515429562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1898257761 + 760987396 = 43569^2 + 27586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2659245157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2659285157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1329622578 + 1329622579.

It is an arithmetic number, because the mean of its divisors is an integer number (1329622579).

Almost surely, 2^2659245157 is an apocalyptic number.

It is an amenable number.

2659245157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2659245157 is an equidigital number, since it uses as much as digits as its factorization.

2659245157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756000, while the sum is 46.

The square root of 2659245157 is about 51567.8694246718. The cubic root of 2659245157 is about 1385.4349065804.

The spelling of 2659245157 in words is "two billion, six hundred fifty-nine million, two hundred forty-five thousand, one hundred fifty-seven".