499975769 has 2 divisors, whose sum is σ = 499975770. Its totient is φ = 499975768.

The previous prime is 499975741. The next prime is 499975787. The reversal of 499975769 is 967579994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 439447369 + 60528400 = 20963^2 + 7780^2 .

It is a cyclic number.

It is not a de Polignac number, because 499975769 - 2²⁸ = 231540313 is a prime.

It is a super-2 number, since 2×499975769² = 499951539174282722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (499975739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249987884 + 249987885.

It is an arithmetic number, because the mean of its divisors is an integer number (249987885).

Almost surely, 2^499975769 is an apocalyptic number.

It is an amenable number.

499975769 is a deficient number, since it is larger than the sum of its proper divisors (1).

499975769 is an equidigital number, since it uses as much as digits as its factorization.

499975769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38578680, while the sum is 65.

The square root of 499975769 is about 22360.1379468017. The cubic root of 499975769 is about 793.6877043387.

The spelling of 499975769 in words is "four hundred ninety-nine million, nine hundred seventy-five thousand, seven hundred sixty-nine".