2297911729 has 2 divisors, whose sum is σ = 2297911730. Its totient is φ = 2297911728.

The previous prime is 2297911703. The next prime is 2297911757. The reversal of 2297911729 is 9271197922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1625702400 + 672209329 = 40320^2 + 25927^2 .

It is a cyclic number.

It is not a de Polignac number, because 2297911729 - 2⁷ = 2297911601 is a prime.

It is not a weakly prime, because it can be changed into another prime (2297911799) 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, 1148955864 + 1148955865.

It is an arithmetic number, because the mean of its divisors is an integer number (1148955865).

Almost surely, 2^2297911729 is an apocalyptic number.

It is an amenable number.

2297911729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2297911729 is an equidigital number, since it uses as much as digits as its factorization.

2297911729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 49.

The square root of 2297911729 is about 47936.5385588071. The cubic root of 2297911729 is about 1319.6065036534.

The spelling of 2297911729 in words is "two billion, two hundred ninety-seven million, nine hundred eleven thousand, seven hundred twenty-nine".