999053609 has 2 divisors, whose sum is σ = 999053610. Its totient is φ = 999053608.

The previous prime is 999053593. The next prime is 999053617. The reversal of 999053609 is 906350999.

999053609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 933119209 + 65934400 = 30547^2 + 8120^2 .

It is a cyclic number.

It is not a de Polignac number, because 999053609 - 2⁴ = 999053593 is a prime.

It is a super-2 number, since 2×999053609² = 1996216227311849762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (999053689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499526804 + 499526805.

It is an arithmetic number, because the mean of its divisors is an integer number (499526805).

Almost surely, 2^999053609 is an apocalyptic number.

It is an amenable number.

999053609 is a deficient number, since it is larger than the sum of its proper divisors (1).

999053609 is an equidigital number, since it uses as much as digits as its factorization.

999053609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 590490, while the sum is 50.

The square root of 999053609 is about 31607.8093040312. The cubic root of 999053609 is about 999.6844367637.

The spelling of 999053609 in words is "nine hundred ninety-nine million, fifty-three thousand, six hundred nine".