499911101 has 2 divisors, whose sum is σ = 499911102. Its totient is φ = 499911100.

The previous prime is 499911067. The next prime is 499911121. The reversal of 499911101 is 101119994.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 352312900 + 147598201 = 18770^2 + 12149^2 .

It is a cyclic number.

It is not a de Polignac number, because 499911101 - 2¹⁸ = 499648957 is a prime.

It is a super-2 number, since 2×499911101² = 499822217806064402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_26351378 and since 499911101 and 26351378 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499911121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249955550 + 249955551.

It is an arithmetic number, because the mean of its divisors is an integer number (249955551).

Almost surely, 2^499911101 is an apocalyptic number.

It is an amenable number.

499911101 is a deficient number, since it is larger than the sum of its proper divisors (1).

499911101 is an equidigital number, since it uses as much as digits as its factorization.

499911101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 35.

The square root of 499911101 is about 22358.6918445601. The cubic root of 499911101 is about 793.6534837406.

The spelling of 499911101 in words is "four hundred ninety-nine million, nine hundred eleven thousand, one hundred one".