999999000699 has 4 divisors (see below), whose sum is σ = 1333332000936. Its totient is φ = 666666000464.

The previous prime is 999999000667. The next prime is 999999000709. The reversal of 999999000699 is 996000999999.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 999999000699 - 2⁵ = 999999000667 is a prime.

It is a super-4 number, since 4×999999000699⁴ (a number of 49 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (999999000199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166666500114 + ... + 166666500119.

It is an arithmetic number, because the mean of its divisors is an integer number (333333000234).

Almost surely, 2^999999000699 is an apocalyptic number.

999999000699 is a deficient number, since it is larger than the sum of its proper divisors (333333000237).

999999000699 is a wasteful number, since it uses less digits than its factorization.

999999000699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333333000236.

The product of its (nonzero) digits is 258280326, while the sum is 78.

The spelling of 999999000699 in words is "nine hundred ninety-nine billion, nine hundred ninety-nine million, six hundred ninety-nine", and thus it is an aban number.