999996699999 has 8 divisors (see below), whose sum is σ = 1454540654592. Its totient is φ = 606058606040.

The previous prime is 999996699967. The next prime is 999996700013.

999996699999 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 999996699999 - 2⁵ = 999996699967 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999996699899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15151465119 + ... + 15151465184.

It is an arithmetic number, because the mean of its divisors is an integer number (181817581824).

Almost surely, 2^999996699999 is an apocalyptic number.

999996699999 is a deficient number, since it is larger than the sum of its proper divisors (454543954593).

999996699999 is a wasteful number, since it uses less digits than its factorization.

999996699999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30302930317.

The product of its digits is 125524238436, while the sum is 102.

The spelling of 999996699999 in words is "nine hundred ninety-nine billion, nine hundred ninety-six million, six hundred ninety-nine thousand, nine hundred ninety-nine".