6916111309 has 12 divisors (see below), whose sum is σ = 7359914848. Its totient is φ = 6497726400.

The previous prime is 6916111303. The next prime is 6916111361. The reversal of 6916111309 is 9031116196.

It is not a de Polignac number, because 6916111309 - 2⁵ = 6916111277 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6916111303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144064 + ... + 185974.

Almost surely, 2^6916111309 is an apocalyptic number.

It is an amenable number.

6916111309 is a deficient number, since it is larger than the sum of its proper divisors (443803539).

6916111309 is a wasteful number, since it uses less digits than its factorization.

6916111309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42516 (or 42499 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 6916111309 is about 83163.1607684556. The cubic root of 6916111309 is about 1905.2588666845.

The spelling of 6916111309 in words is "six billion, nine hundred sixteen million, one hundred eleven thousand, three hundred nine".