6944341981 has 4 divisors (see below), whose sum is σ = 6975482752. Its totient is φ = 6913201212.

The previous prime is 6944341967. The next prime is 6944341991. The reversal of 6944341981 is 1891434496.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6944341981 - 2¹⁵ = 6944309213 is a prime.

It is a super-2 number, since 2×6944341981² = 96447771098158008722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6944341991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15570051 + ... + 15570496.

It is an arithmetic number, because the mean of its divisors is an integer number (1743870688).

Almost surely, 2^6944341981 is an apocalyptic number.

It is an amenable number.

6944341981 is a deficient number, since it is larger than the sum of its proper divisors (31140771).

6944341981 is a wasteful number, since it uses less digits than its factorization.

6944341981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31140770.

The product of its digits is 746496, while the sum is 49.

The square root of 6944341981 is about 83332.7185503989. The cubic root of 6944341981 is about 1907.8476875669.

The spelling of 6944341981 in words is "six billion, nine hundred forty-four million, three hundred forty-one thousand, nine hundred eighty-one".