499791443 has 2 divisors, whose sum is σ = 499791444. Its totient is φ = 499791442.

The previous prime is 499791437. The next prime is 499791491. The reversal of 499791443 is 344197994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499791443 - 2⁶ = 499791379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 499791391 and 499791400.

It is not a weakly prime, because it can be changed into another prime (499791043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249895721 + 249895722.

It is an arithmetic number, because the mean of its divisors is an integer number (249895722).

Almost surely, 2^499791443 is an apocalyptic number.

499791443 is a deficient number, since it is larger than the sum of its proper divisors (1).

499791443 is an equidigital number, since it uses as much as digits as its factorization.

499791443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 50.

The square root of 499791443 is about 22356.0158123043. The cubic root of 499791443 is about 793.5901561033.

The spelling of 499791443 in words is "four hundred ninety-nine million, seven hundred ninety-one thousand, four hundred forty-three".