2298209729 has 2 divisors, whose sum is σ = 2298209730. Its totient is φ = 2298209728.

The previous prime is 2298209717. The next prime is 2298209743. The reversal of 2298209729 is 9279028922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2132315329 + 165894400 = 46177^2 + 12880^2 .

It is a cyclic number.

It is not a de Polignac number, because 2298209729 - 2²⁸ = 2029774273 is a prime.

It is not a weakly prime, because it can be changed into another prime (2298209759) 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, 1149104864 + 1149104865.

It is an arithmetic number, because the mean of its divisors is an integer number (1149104865).

Almost surely, 2^2298209729 is an apocalyptic number.

It is an amenable number.

2298209729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2298209729 is an equidigital number, since it uses as much as digits as its factorization.

2298209729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 2298209729 is about 47939.6467342011. The cubic root of 2298209729 is about 1319.6635446812.

The spelling of 2298209729 in words is "two billion, two hundred ninety-eight million, two hundred nine thousand, seven hundred twenty-nine".