3681338803407 has 24 divisors (see below), whose sum is σ = 5327034723504. Its totient is φ = 2449822637184.

The previous prime is 3681338803391. The next prime is 3681338803427. The reversal of 3681338803407 is 7043088331863.

It is not a de Polignac number, because 3681338803407 - 2⁴ = 3681338803391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681338803427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19421563 + ... + 19610195.

It is an arithmetic number, because the mean of its divisors is an integer number (221959780146).

Almost surely, 2^{3681338803407} is an apocalyptic number.

3681338803407 is a deficient number, since it is larger than the sum of its proper divisors (1645695920097).

3681338803407 is a wasteful number, since it uses less digits than its factorization.

3681338803407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192519 (or 192516 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 3681338803407 in words is "three trillion, six hundred eighty-one billion, three hundred thirty-eight million, eight hundred three thousand, four hundred seven".