499967911 has 2 divisors, whose sum is σ = 499967912. Its totient is φ = 499967910.

The previous prime is 499967857. The next prime is 499967959. The reversal of 499967911 is 119769994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499967911 - 2¹¹ = 499965863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499961911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249983955 + 249983956.

It is an arithmetic number, because the mean of its divisors is an integer number (249983956).

Almost surely, 2^499967911 is an apocalyptic number.

499967911 is a deficient number, since it is larger than the sum of its proper divisors (1).

499967911 is an equidigital number, since it uses as much as digits as its factorization.

499967911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1102248, while the sum is 55.

The square root of 499967911 is about 22359.9622316318. The cubic root of 499967911 is about 793.6835462501.

The spelling of 499967911 in words is "four hundred ninety-nine million, nine hundred sixty-seven thousand, nine hundred eleven".