499321343 has 2 divisors, whose sum is σ = 499321344. Its totient is φ = 499321342.

The previous prime is 499321267. The next prime is 499321351. The reversal of 499321343 is 343123994.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499321343 - 2¹⁸ = 499059199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 499321297 and 499321306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499321363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249660671 + 249660672.

It is an arithmetic number, because the mean of its divisors is an integer number (249660672).

Almost surely, 2^499321343 is an apocalyptic number.

499321343 is a deficient number, since it is larger than the sum of its proper divisors (1).

499321343 is an equidigital number, since it uses as much as digits as its factorization.

499321343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 38.

The square root of 499321343 is about 22345.4993902575. The cubic root of 499321343 is about 793.3412631123.

The spelling of 499321343 in words is "four hundred ninety-nine million, three hundred twenty-one thousand, three hundred forty-three".