306728325929 has 2 divisors, whose sum is σ = 306728325930. Its totient is φ = 306728325928.

The previous prime is 306728325913. The next prime is 306728325961. The reversal of 306728325929 is 929523827603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225080978329 + 81647347600 = 474427^2 + 285740^2 .

It is a cyclic number.

It is not a de Polignac number, because 306728325929 - 2⁴ = 306728325913 is a prime.

It is not a weakly prime, because it can be changed into another prime (306728375929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153364162964 + 153364162965.

It is an arithmetic number, because the mean of its divisors is an integer number (153364162965).

Almost surely, 2^306728325929 is an apocalyptic number.

It is an amenable number.

306728325929 is a deficient number, since it is larger than the sum of its proper divisors (1).

306728325929 is an equidigital number, since it uses as much as digits as its factorization.

306728325929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 306728325929 in words is "three hundred six billion, seven hundred twenty-eight million, three hundred twenty-five thousand, nine hundred twenty-nine".