499543117 has 8 divisors (see below), whose sum is σ = 526478400. Its totient is φ = 472672224.

The previous prime is 499543111. The next prime is 499543123. The reversal of 499543117 is 711345994.

It is an interprime number because it is at equal distance from previous prime (499543111) and next prime (499543123).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499543117 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 (499543111) 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, 273 + ... + 31609.

It is an arithmetic number, because the mean of its divisors is an integer number (65809800).

Almost surely, 2^499543117 is an apocalyptic number.

It is an amenable number.

499543117 is a deficient number, since it is larger than the sum of its proper divisors (26935283).

499543117 is a wasteful number, since it uses less digits than its factorization.

499543117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32195.

The product of its digits is 136080, while the sum is 43.

The square root of 499543117 is about 22350.4612256660. The cubic root of 499543117 is about 793.4587001268.

The spelling of 499543117 in words is "four hundred ninety-nine million, five hundred forty-three thousand, one hundred seventeen".