296257720849 has 2 divisors, whose sum is σ = 296257720850. Its totient is φ = 296257720848.

The previous prime is 296257720841. The next prime is 296257720867. The reversal of 296257720849 is 948027752692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164203248400 + 132054472449 = 405220^2 + 363393^2 .

It is a cyclic number.

It is not a de Polignac number, because 296257720849 - 2³ = 296257720841 is a prime.

It is not a weakly prime, because it can be changed into another prime (296257720841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148128860424 + 148128860425.

It is an arithmetic number, because the mean of its divisors is an integer number (148128860425).

Almost surely, 2^296257720849 is an apocalyptic number.

It is an amenable number.

296257720849 is a deficient number, since it is larger than the sum of its proper divisors (1).

296257720849 is an equidigital number, since it uses as much as digits as its factorization.

296257720849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 296257720849 in words is "two hundred ninety-six billion, two hundred fifty-seven million, seven hundred twenty thousand, eight hundred forty-nine".