999070999 has 2 divisors, whose sum is σ = 999071000. Its totient is φ = 999070998.

The previous prime is 999070991. The next prime is 999071009.

999070999 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 999070999 - 2³ = 999070991 is a prime.

It is a super-2 number, since 2×999070999² = 1996285722085716002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999070991) 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, 499535499 + 499535500.

It is an arithmetic number, because the mean of its divisors is an integer number (499535500).

Almost surely, 2^999070999 is an apocalyptic number.

999070999 is a deficient number, since it is larger than the sum of its proper divisors (1).

999070999 is an equidigital number, since it uses as much as digits as its factorization.

999070999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3720087, while the sum is 61.

The square root of 999070999 is about 31608.0843930789. The cubic root of 999070999 is about 999.6902370568.

The spelling of 999070999 in words is "nine hundred ninety-nine million, seventy thousand, nine hundred ninety-nine".