3260641735681 has 12 divisors (see below), whose sum is σ = 3595461720676. Its totient is φ = 2954749374720.

The previous prime is 3260641735669. The next prime is 3260641735691. The reversal of 3260641735681 is 1865371460623.

It can be written as a sum of positive squares in 2 ways, for example, as 983587897600 + 2277053838081 = 991760^2 + 1508991^2 .

It is not a de Polignac number, because 3260641735681 - 2²⁵ = 3260608181249 is a prime.

It is a super-2 number, since 2×3260641735681² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3260641735661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43009176 + ... + 43084921.

Almost surely, 2^{3260641735681} is an apocalyptic number.

It is an amenable number.

3260641735681 is a deficient number, since it is larger than the sum of its proper divisors (334819984995).

3260641735681 is a wasteful number, since it uses less digits than its factorization.

3260641735681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86094432 (or 86094421 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 3260641735681 in words is "three trillion, two hundred sixty billion, six hundred forty-one million, seven hundred thirty-five thousand, six hundred eighty-one".