4122731189 has 2 divisors, whose sum is σ = 4122731190. Its totient is φ = 4122731188.

The previous prime is 4122731029. The next prime is 4122731201. The reversal of 4122731189 is 9811372214.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2379000625 + 1743730564 = 48775^2 + 41758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4122731189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4122731689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061365594 + 2061365595.

It is an arithmetic number, because the mean of its divisors is an integer number (2061365595).

Almost surely, 2^4122731189 is an apocalyptic number.

It is an amenable number.

4122731189 is a deficient number, since it is larger than the sum of its proper divisors (1).

4122731189 is an equidigital number, since it uses as much as digits as its factorization.

4122731189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 4122731189 is about 64208.4977942951. The cubic root of 4122731189 is about 1603.4730791885.

The spelling of 4122731189 in words is "four billion, one hundred twenty-two million, seven hundred thirty-one thousand, one hundred eighty-nine".