2346805325681 has 4 divisors (see below), whose sum is σ = 2346846304500. Its totient is φ = 2346764346864.

The previous prime is 2346805325659. The next prime is 2346805325731. The reversal of 2346805325681 is 1865235086432.

It is a happy number.

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 1918546333456 + 428258992225 = 1385116^2 + 654415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2346805325681 - 2²⁶ = 2346738216817 is a prime.

It is a super-2 number, since 2×2346805325681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2346805325621) by changing a digit.

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, 20403386 + ... + 20518083.

It is an arithmetic number, because the mean of its divisors is an integer number (586711576125).

Almost surely, 2^{2346805325681} is an apocalyptic number.

It is an amenable number.

2346805325681 is a deficient number, since it is larger than the sum of its proper divisors (40978819).

2346805325681 is an equidigital number, since it uses as much as digits as its factorization.

2346805325681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40978818.

The product of its (nonzero) digits is 8294400, while the sum is 53.

The spelling of 2346805325681 in words is "two trillion, three hundred forty-six billion, eight hundred five million, three hundred twenty-five thousand, six hundred eighty-one".