499998943 has 2 divisors, whose sum is σ = 499998944. Its totient is φ = 499998942.

The previous prime is 499998937. The next prime is 499998949. The reversal of 499998943 is 349899994.

It is a balanced prime because it is at equal distance from previous prime (499998937) and next prime (499998949).

It is a cyclic number.

It is not a de Polignac number, because 499998943 - 2⁵ = 499998911 is a prime.

It is a super-2 number, since 2×499998943² = 499997886002234498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499998949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249999471 + 249999472.

It is an arithmetic number, because the mean of its divisors is an integer number (249999472).

Almost surely, 2^499998943 is an apocalyptic number.

499998943 is a deficient number, since it is larger than the sum of its proper divisors (1).

499998943 is an equidigital number, since it uses as much as digits as its factorization.

499998943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22674816, while the sum is 64.

The square root of 499998943 is about 22360.6561397469. The cubic root of 499998943 is about 793.6999666894.

The spelling of 499998943 in words is "four hundred ninety-nine million, nine hundred ninety-eight thousand, nine hundred forty-three".