999041539 has 2 divisors, whose sum is σ = 999041540. Its totient is φ = 999041538.

The previous prime is 999041473. The next prime is 999041609. The reversal of 999041539 is 935140999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999041539 - 2⁷ = 999041411 is a prime.

It is a super-3 number, since 3×999041539³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 999041492 and 999041501.

It is not a weakly prime, because it can be changed into another prime (999041339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499520769 + 499520770.

It is an arithmetic number, because the mean of its divisors is an integer number (499520770).

Almost surely, 2^999041539 is an apocalyptic number.

999041539 is a deficient number, since it is larger than the sum of its proper divisors (1).

999041539 is an equidigital number, since it uses as much as digits as its factorization.

999041539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393660, while the sum is 49.

The square root of 999041539 is about 31607.6183696273. The cubic root of 999041539 is about 999.6804108737.

It can be divided in two parts, 9990 and 41539, that added together give a square (51529 = 227²).

The spelling of 999041539 in words is "nine hundred ninety-nine million, forty-one thousand, five hundred thirty-nine".