499549943 has 8 divisors (see below), whose sum is σ = 510523200. Its totient is φ = 488693088.

The previous prime is 499549931. The next prime is 499549951. The reversal of 499549943 is 349945994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 499549943 - 2⁴ = 499549927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499549993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20396 + ... + 37617.

It is an arithmetic number, because the mean of its divisors is an integer number (63815400).

Almost surely, 2^499549943 is an apocalyptic number.

499549943 is a deficient number, since it is larger than the sum of its proper divisors (10973257).

499549943 is a wasteful number, since it uses less digits than its factorization.

499549943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58201.

The product of its digits is 6298560, while the sum is 56.

The square root of 499549943 is about 22350.6139289282. The cubic root of 499549943 is about 793.4623141788.

The spelling of 499549943 in words is "four hundred ninety-nine million, five hundred forty-nine thousand, nine hundred forty-three".