499969697 has 2 divisors, whose sum is σ = 499969698. Its totient is φ = 499969696.

The previous prime is 499969669. The next prime is 499969709. The reversal of 499969697 is 796969994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324036001 + 175933696 = 18001^2 + 13264^2 .

It is a cyclic number.

It is not a de Polignac number, because 499969697 - 2⁸ = 499969441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (499966697) 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, 249984848 + 249984849.

It is an arithmetic number, because the mean of its divisors is an integer number (249984849).

Almost surely, 2^499969697 is an apocalyptic number.

It is an amenable number.

499969697 is a deficient number, since it is larger than the sum of its proper divisors (1).

499969697 is an equidigital number, since it uses as much as digits as its factorization.

499969697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59521392, while the sum is 68.

The square root of 499969697 is about 22360.0021690518. The cubic root of 499969697 is about 793.6844913221.

The spelling of 499969697 in words is "four hundred ninety-nine million, nine hundred sixty-nine thousand, six hundred ninety-seven".