6944643069 has 64 divisors (see below), whose sum is σ = 11921817600. Its totient is φ = 3495013632.

The previous prime is 6944643059. The next prime is 6944643077. The reversal of 6944643069 is 9603464496.

It is not a de Polignac number, because 6944643069 - 2¹³ = 6944634877 is a prime.

It is a super-2 number, since 2×6944643069² = 96456134711619477522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6944643029) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3006487 + ... + 3008795.

It is an arithmetic number, because the mean of its divisors is an integer number (186278400).

Almost surely, 2^6944643069 is an apocalyptic number.

6944643069 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

6944643069 is a deficient number, since it is larger than the sum of its proper divisors (4977174531).

6944643069 is a wasteful number, since it uses less digits than its factorization.

6944643069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834.

The product of its (nonzero) digits is 3359232, while the sum is 51.

The square root of 6944643069 is about 83334.5250721452. The cubic root of 6944643069 is about 1907.8752602174.

The spelling of 6944643069 in words is "six billion, nine hundred forty-four million, six hundred forty-three thousand, sixty-nine".