6722869691 has 16 divisors (see below), whose sum is σ = 7179016320. Its totient is φ = 6273590400.

The previous prime is 6722869679. The next prime is 6722869711. The reversal of 6722869691 is 1969682276.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6722869691 - 2¹⁴ = 6722853307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6722869631) 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 15 ways as a sum of consecutive naturals, for example, 2482160 + ... + 2484866.

It is an arithmetic number, because the mean of its divisors is an integer number (448688520).

Almost surely, 2^6722869691 is an apocalyptic number.

6722869691 is a deficient number, since it is larger than the sum of its proper divisors (456146629).

6722869691 is a wasteful number, since it uses less digits than its factorization.

6722869691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914.

The product of its digits is 3919104, while the sum is 56.

The square root of 6722869691 is about 81993.1075822840. The cubic root of 6722869691 is about 1887.3461714379.

The spelling of 6722869691 in words is "six billion, seven hundred twenty-two million, eight hundred sixty-nine thousand, six hundred ninety-one".