499861147 has 2 divisors, whose sum is σ = 499861148. Its totient is φ = 499861146.

The previous prime is 499861099. The next prime is 499861151. The reversal of 499861147 is 741168994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499861147 - 2¹⁵ = 499828379 is a prime.

It is a super-2 number, since 2×499861147² = 499722332560311218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 499861147.

It is not a weakly prime, because it can be changed into another prime (479861147) 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, 249930573 + 249930574.

It is an arithmetic number, because the mean of its divisors is an integer number (249930574).

Almost surely, 2^499861147 is an apocalyptic number.

499861147 is a deficient number, since it is larger than the sum of its proper divisors (1).

499861147 is an equidigital number, since it uses as much as digits as its factorization.

499861147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 49.

The square root of 499861147 is about 22357.5747119405. The cubic root of 499861147 is about 793.6270473824.

The spelling of 499861147 in words is "four hundred ninety-nine million, eight hundred sixty-one thousand, one hundred forty-seven".