499698343 has 2 divisors, whose sum is σ = 499698344. Its totient is φ = 499698342.

The previous prime is 499698319. The next prime is 499698377. The reversal of 499698343 is 343896994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499698343 - 2²¹ = 497601191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499698443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249849171 + 249849172.

It is an arithmetic number, because the mean of its divisors is an integer number (249849172).

Almost surely, 2^499698343 is an apocalyptic number.

499698343 is a deficient number, since it is larger than the sum of its proper divisors (1).

499698343 is an equidigital number, since it uses as much as digits as its factorization.

499698343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5038848, while the sum is 55.

The square root of 499698343 is about 22353.9335017352. The cubic root of 499698343 is about 793.5408769939.

The spelling of 499698343 in words is "four hundred ninety-nine million, six hundred ninety-eight thousand, three hundred forty-three".