499818941 has 2 divisors, whose sum is σ = 499818942. Its totient is φ = 499818940.

The previous prime is 499818931. The next prime is 499818953. The reversal of 499818941 is 149818994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422466916 + 77352025 = 20554^2 + 8795^2 .

It is a cyclic number.

It is not a de Polignac number, because 499818941 - 2⁶ = 499818877 is a prime.

It is a super-2 number, since 2×499818941² = 499637947564722962, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499818931) 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, 249909470 + 249909471.

It is an arithmetic number, because the mean of its divisors is an integer number (249909471).

Almost surely, 2^499818941 is an apocalyptic number.

It is an amenable number.

499818941 is a deficient number, since it is larger than the sum of its proper divisors (1).

499818941 is an equidigital number, since it uses as much as digits as its factorization.

499818941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 53.

The square root of 499818941 is about 22356.6308060942. The cubic root of 499818941 is about 793.6047100019.

Adding to 499818941 its sum of digits (53), we get a palindrome (499818994).

The spelling of 499818941 in words is "four hundred ninety-nine million, eight hundred eighteen thousand, nine hundred forty-one".