499345943 has 2 divisors, whose sum is σ = 499345944. Its totient is φ = 499345942.

The previous prime is 499345933. The next prime is 499345949. The reversal of 499345943 is 349543994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499345943 - 2⁴ = 499345927 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 499345891 and 499345900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499345949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249672971 + 249672972.

It is an arithmetic number, because the mean of its divisors is an integer number (249672972).

Almost surely, 2^499345943 is an apocalyptic number.

499345943 is a deficient number, since it is larger than the sum of its proper divisors (1).

499345943 is an equidigital number, since it uses as much as digits as its factorization.

499345943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 50.

The square root of 499345943 is about 22346.0498298916. The cubic root of 499345943 is about 793.3542913788.

The spelling of 499345943 in words is "four hundred ninety-nine million, three hundred forty-five thousand, nine hundred forty-three".