2656264099 has 2 divisors, whose sum is σ = 2656264100. Its totient is φ = 2656264098.

The previous prime is 2656264073. The next prime is 2656264129. The reversal of 2656264099 is 9904626562.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2656264099 - 2⁹ = 2656263587 is a prime.

It is not a weakly prime, because it can be changed into another prime (2656262099) 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, 1328132049 + 1328132050.

It is an arithmetic number, because the mean of its divisors is an integer number (1328132050).

Almost surely, 2^2656264099 is an apocalyptic number.

2656264099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656264099 is an equidigital number, since it uses as much as digits as its factorization.

2656264099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The square root of 2656264099 is about 51538.9571004304. The cubic root of 2656264099 is about 1384.9170144946.

The spelling of 2656264099 in words is "two billion, six hundred fifty-six million, two hundred sixty-four thousand, ninety-nine".