499122843 has 4 divisors (see below), whose sum is σ = 665497128. Its totient is φ = 332748560.

The previous prime is 499122803. The next prime is 499122853. The reversal of 499122843 is 348221994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 499122843 - 2⁸ = 499122587 is a prime.

It is a super-3 number, since 3×499122843³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 499122795 and 499122804.

It is not an unprimeable number, because it can be changed into a prime (499122803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83187138 + ... + 83187143.

It is an arithmetic number, because the mean of its divisors is an integer number (166374282).

Almost surely, 2^499122843 is an apocalyptic number.

499122843 is a deficient number, since it is larger than the sum of its proper divisors (166374285).

499122843 is a wasteful number, since it uses less digits than its factorization.

499122843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166374284.

The product of its digits is 124416, while the sum is 42.

The square root of 499122843 is about 22341.0573384520. The cubic root of 499122843 is about 793.2361209926.

The spelling of 499122843 in words is "four hundred ninety-nine million, one hundred twenty-two thousand, eight hundred forty-three".