3340691988481 has 4 divisors (see below), whose sum is σ = 3340711866964. Its totient is φ = 3340672110000.

The previous prime is 3340691988443. The next prime is 3340691988499. The reversal of 3340691988481 is 1848891960433.

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 2611391360400 + 729300628081 = 1615980^2 + 853991^2 .

It is a cyclic number.

It is not a de Polignac number, because 3340691988481 - 2⁷ = 3340691988353 is a prime.

It is a super-2 number, since 2×3340691988481² (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 (3340691983481) 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 3 ways as a sum of consecutive naturals, for example, 9684990 + ... + 10023991.

It is an arithmetic number, because the mean of its divisors is an integer number (835177966741).

Almost surely, 2^{3340691988481} is an apocalyptic number.

It is an amenable number.

3340691988481 is a deficient number, since it is larger than the sum of its proper divisors (19878483).

3340691988481 is a wasteful number, since it uses less digits than its factorization.

3340691988481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19878482.

The product of its (nonzero) digits is 35831808, while the sum is 64.

The spelling of 3340691988481 in words is "three trillion, three hundred forty billion, six hundred ninety-one million, nine hundred eighty-eight thousand, four hundred eighty-one".