2170833479681 has 16 divisors (see below), whose sum is σ = 2241518832000. Its totient is φ = 2101049059200.

The previous prime is 2170833479641. The next prime is 2170833479707. The reversal of 2170833479681 is 1869743380712.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2170833479681 - 2¹⁰ = 2170833478657 is a prime.

It is a super-2 number, since 2×2170833479681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2170833479681.

It is not an unprimeable number, because it can be changed into a prime (2170833479641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2738420 + ... + 3441018.

It is an arithmetic number, because the mean of its divisors is an integer number (140094927000).

Almost surely, 2^{2170833479681} is an apocalyptic number.

It is an amenable number.

2170833479681 is a deficient number, since it is larger than the sum of its proper divisors (70685352319).

2170833479681 is a wasteful number, since it uses less digits than its factorization.

2170833479681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703240.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 2170833479681 in words is "two trillion, one hundred seventy billion, eight hundred thirty-three million, four hundred seventy-nine thousand, six hundred eighty-one".