10688706399 has 16 divisors (see below), whose sum is σ = 16493726720. Its totient is φ = 6030516960.

The previous prime is 10688706389. The next prime is 10688706401. The reversal of 10688706399 is 99360788601.

It is not a de Polignac number, because 10688706399 - 2¹² = 10688702303 is a prime.

It is a super-2 number, since 2×10688706399² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10688706319) 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, 3219772 + ... + 3223089.

It is an arithmetic number, because the mean of its divisors is an integer number (1030857920).

Almost surely, 2^10688706399 is an apocalyptic number.

10688706399 is a deficient number, since it is larger than the sum of its proper divisors (5805020321).

10688706399 is an equidigital number, since it uses as much as digits as its factorization.

10688706399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6442950.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 10688706399 in words is "ten billion, six hundred eighty-eight million, seven hundred six thousand, three hundred ninety-nine".