499945111 has 2 divisors, whose sum is σ = 499945112. Its totient is φ = 499945110.

The previous prime is 499945093. The next prime is 499945139. The reversal of 499945111 is 111549994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499945111 - 2⁵ = 499945079 is a prime.

It is a super-2 number, since 2×499945111² = 499890228025604642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499945141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249972555 + 249972556.

It is an arithmetic number, because the mean of its divisors is an integer number (249972556).

Almost surely, 2^499945111 is an apocalyptic number.

499945111 is a deficient number, since it is larger than the sum of its proper divisors (1).

499945111 is an equidigital number, since it uses as much as digits as its factorization.

499945111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 43.

The square root of 499945111 is about 22359.4523859597. The cubic root of 499945111 is about 793.6714813025.

The spelling of 499945111 in words is "four hundred ninety-nine million, nine hundred forty-five thousand, one hundred eleven".