24772042189 has 2 divisors, whose sum is σ = 24772042190. Its totient is φ = 24772042188.

The previous prime is 24772042081. The next prime is 24772042223. The reversal of 24772042189 is 98124027742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17348841225 + 7423200964 = 131715^2 + 86158^2 .

It is a cyclic number.

It is not a de Polignac number, because 24772042189 - 2²¹ = 24769945037 is a prime.

It is a super-2 number, since 2×24772042189² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24772042289) 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, 12386021094 + 12386021095.

It is an arithmetic number, because the mean of its divisors is an integer number (12386021095).

Almost surely, 2^24772042189 is an apocalyptic number.

It is an amenable number.

24772042189 is a deficient number, since it is larger than the sum of its proper divisors (1).

24772042189 is an equidigital number, since it uses as much as digits as its factorization.

24772042189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 24772042189 in words is "twenty-four billion, seven hundred seventy-two million, forty-two thousand, one hundred eighty-nine".