5571968869 has 2 divisors, whose sum is σ = 5571968870. Its totient is φ = 5571968868.

The previous prime is 5571968813. The next prime is 5571968879. The reversal of 5571968869 is 9688691755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2922807969 + 2649160900 = 54063^2 + 51470^2 .

It is a cyclic number.

It is not a de Polignac number, because 5571968869 - 2⁹ = 5571968357 is a prime.

It is a super-2 number, since 2×5571968869² = 62093674154210278322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5571968869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5571968879) 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 as a sum of consecutive naturals, namely, 2785984434 + 2785984435.

It is an arithmetic number, because the mean of its divisors is an integer number (2785984435).

Almost surely, 2^5571968869 is an apocalyptic number.

It is an amenable number.

5571968869 is a deficient number, since it is larger than the sum of its proper divisors (1).

5571968869 is an equidigital number, since it uses as much as digits as its factorization.

5571968869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32659200, while the sum is 64.

The square root of 5571968869 is about 74645.6219010867. The cubic root of 5571968869 is about 1772.8400752748.

The spelling of 5571968869 in words is "five billion, five hundred seventy-one million, nine hundred sixty-eight thousand, eight hundred sixty-nine".