499198443 has 4 divisors (see below), whose sum is σ = 665597928. Its totient is φ = 332798960.

The previous prime is 499198433. The next prime is 499198451. The reversal of 499198443 is 344891994.

It is a happy number.

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 499198443 - 2⁹ = 499197931 is a prime.

It is a super-3 number, since 3×499198443³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (499198433) 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, 83199738 + ... + 83199743.

It is an arithmetic number, because the mean of its divisors is an integer number (166399482).

Almost surely, 2^499198443 is an apocalyptic number.

499198443 is a deficient number, since it is larger than the sum of its proper divisors (166399485).

499198443 is a wasteful number, since it uses less digits than its factorization.

499198443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166399484.

The product of its digits is 1119744, while the sum is 51.

The square root of 499198443 is about 22342.7492265388. The cubic root of 499198443 is about 793.2761683303.

The spelling of 499198443 in words is "four hundred ninety-nine million, one hundred ninety-eight thousand, four hundred forty-three".