6211091047 has 16 divisors (see below), whose sum is σ = 7248232512. Its totient is φ = 5212477440.

The previous prime is 6211091021. The next prime is 6211091053. The reversal of 6211091047 is 7401901126.

It is a cyclic number.

It is not a de Polignac number, because 6211091047 - 2¹⁵ = 6211058279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6211091947) 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, 25647 + ... + 114367.

It is an arithmetic number, because the mean of its divisors is an integer number (453014532).

Almost surely, 2^6211091047 is an apocalyptic number.

6211091047 is a deficient number, since it is larger than the sum of its proper divisors (1037141465).

6211091047 is a wasteful number, since it uses less digits than its factorization.

6211091047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88938.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 6211091047 is about 78810.4754902545. The cubic root of 6211091047 is about 1838.1853414160.

The spelling of 6211091047 in words is "six billion, two hundred eleven million, ninety-one thousand, forty-seven".