499983769 has 2 divisors, whose sum is σ = 499983770. Its totient is φ = 499983768.

The previous prime is 499983767. The next prime is 499983773. The reversal of 499983769 is 967389994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337089600 + 162894169 = 18360^2 + 12763^2 .

It is a cyclic number.

It is not a de Polignac number, because 499983769 - 2¹ = 499983767 is a prime.

It is a super-2 number, since 2×499983769² = 499967538526890722, which contains 22 as substring.

Together with 499983767, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 499983769.

It is not a weakly prime, because it can be changed into another prime (499983767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249991884 + 249991885.

It is an arithmetic number, because the mean of its divisors is an integer number (249991885).

Almost surely, 2^499983769 is an apocalyptic number.

It is an amenable number.

499983769 is a deficient number, since it is larger than the sum of its proper divisors (1).

499983769 is an equidigital number, since it uses as much as digits as its factorization.

499983769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26453952, while the sum is 64.

The square root of 499983769 is about 22360.3168358590. The cubic root of 499983769 is about 793.6919375223.

The spelling of 499983769 in words is "four hundred ninety-nine million, nine hundred eighty-three thousand, seven hundred sixty-nine".