297769135309 has 2 divisors, whose sum is σ = 297769135310. Its totient is φ = 297769135308.

The previous prime is 297769135277. The next prime is 297769135327. The reversal of 297769135309 is 903531967792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288057624100 + 9711511209 = 536710^2 + 98547^2 .

It is a cyclic number.

It is not a de Polignac number, because 297769135309 - 2⁵ = 297769135277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (297769136309) 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, 148884567654 + 148884567655.

It is an arithmetic number, because the mean of its divisors is an integer number (148884567655).

Almost surely, 2^297769135309 is an apocalyptic number.

It is an amenable number.

297769135309 is a deficient number, since it is larger than the sum of its proper divisors (1).

297769135309 is an equidigital number, since it uses as much as digits as its factorization.

297769135309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19289340, while the sum is 61.

The spelling of 297769135309 in words is "two hundred ninety-seven billion, seven hundred sixty-nine million, one hundred thirty-five thousand, three hundred nine".