999696828696999 has 16 divisors (see below), whose sum is σ = 1368956748452832. Its totient is φ = 648450797349888.

The previous prime is 999696828696997. The next prime is 999696828697013.

999696828696999 is nontrivially palindromic in base 10.

999696828696999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 999696828696999 - 2¹ = 999696828696997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999696828696991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54032547 + ... + 70134939.

It is an arithmetic number, because the mean of its divisors is an integer number (85559796778302).

Almost surely, 2^{999696828696999} is an apocalyptic number.

999696828696999 is a deficient number, since it is larger than the sum of its proper divisors (369259919755833).

999696828696999 is a wasteful number, since it uses less digits than its factorization.

999696828696999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16661746.

The product of its digits is 7140934453248, while the sum is 114.

The spelling of 999696828696999 in words is "nine hundred ninety-nine trillion, six hundred ninety-six billion, eight hundred twenty-eight million, six hundred ninety-six thousand, nine hundred ninety-nine".