6944381319381 has 16 divisors (see below), whose sum is σ = 10103104377408. Its totient is φ = 4207805078400.

The previous prime is 6944381319377. The next prime is 6944381319433. The reversal of 6944381319381 is 1839131834496.

It is not a de Polignac number, because 6944381319381 - 2² = 6944381319377 is a prime.

It is a super-2 number, since 2×6944381319381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6944381319581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22617016 + ... + 22922001.

It is an arithmetic number, because the mean of its divisors is an integer number (631444023588).

Almost surely, 2^{6944381319381} is an apocalyptic number.

It is an amenable number.

6944381319381 is a deficient number, since it is larger than the sum of its proper divisors (3158723058027).

6944381319381 is a wasteful number, since it uses less digits than its factorization.

6944381319381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45543652.

The product of its digits is 13436928, while the sum is 60.

The spelling of 6944381319381 in words is "six trillion, nine hundred forty-four billion, three hundred eighty-one million, three hundred nineteen thousand, three hundred eighty-one".