3304064636681 has 4 divisors (see below), whose sum is σ = 3316920919572. Its totient is φ = 3291208353792.

The previous prime is 3304064636671. The next prime is 3304064636699. The reversal of 3304064636681 is 1866364604033.

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 1947445369081 + 1356619267600 = 1395509^2 + 1164740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3304064636681 is a prime.

It is a super-2 number, since 2×3304064636681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3304064636641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6428141060 + ... + 6428141573.

It is an arithmetic number, because the mean of its divisors is an integer number (829230229893).

Almost surely, 2^{3304064636681} is an apocalyptic number.

It is an amenable number.

3304064636681 is a deficient number, since it is larger than the sum of its proper divisors (12856282891).

3304064636681 is a wasteful number, since it uses less digits than its factorization.

3304064636681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12856282890.

The product of its (nonzero) digits is 4478976, while the sum is 50.

The spelling of 3304064636681 in words is "three trillion, three hundred four billion, sixty-four million, six hundred thirty-six thousand, six hundred eighty-one".