2173113713 has 8 divisors (see below), whose sum is σ = 2206366536. Its totient is φ = 2139955200.

The previous prime is 2173113647. The next prime is 2173113721. The reversal of 2173113713 is 3173113712.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 433139344 + 1739974369 = 20812^2 + 41713^2 .

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 2173113713 - 2⁸ = 2173113457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2173113743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23573 + ... + 70013.

It is an arithmetic number, because the mean of its divisors is an integer number (275795817).

Almost surely, 2^2173113713 is an apocalyptic number.

It is an amenable number.

2173113713 is a deficient number, since it is larger than the sum of its proper divisors (33252823).

2173113713 is an equidigital number, since it uses as much as digits as its factorization.

2173113713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47155.

The product of its digits is 2646, while the sum is 29.

The square root of 2173113713 is about 46616.6677595042. The cubic root of 2173113713 is about 1295.2715227978.

Subtracting 2173113713 from its reverse (3173113712), we obtain a palindrome (999999999).

The spelling of 2173113713 in words is "two billion, one hundred seventy-three million, one hundred thirteen thousand, seven hundred thirteen".