10383499685665 has 4 divisors (see below), whose sum is σ = 12460199622804. Its totient is φ = 8306799748528.

The previous prime is 10383499685651. The next prime is 10383499685687. The reversal of 10383499685665 is 56658699438301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7037936773921 + 3345562911744 = 2652911^2 + 1829088^2 .

It is a cyclic number.

It is not a de Polignac number, because 10383499685665 - 2²⁹ = 10382962814753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1038349968562 + ... + 1038349968571.

It is an arithmetic number, because the mean of its divisors is an integer number (3115049905701).

Almost surely, 2^{10383499685665} is an apocalyptic number.

It is an amenable number.

10383499685665 is a deficient number, since it is larger than the sum of its proper divisors (2076699937139).

10383499685665 is an equidigital number, since it uses as much as digits as its factorization.

10383499685665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076699937138.

The product of its (nonzero) digits is 1007769600, while the sum is 73.

The spelling of 10383499685665 in words is "ten trillion, three hundred eighty-three billion, four hundred ninety-nine million, six hundred eighty-five thousand, six hundred sixty-five".