9472738109 has 2 divisors, whose sum is σ = 9472738110. Its totient is φ = 9472738108.

The previous prime is 9472738091. The next prime is 9472738123. The reversal of 9472738109 is 9018372749.

9472738109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (9472738091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6927232900 + 2545505209 = 83230^2 + 50453^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9472738109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9472738139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4736369054 + 4736369055.

It is an arithmetic number, because the mean of its divisors is an integer number (4736369055).

Almost surely, 2^9472738109 is an apocalyptic number.

It is an amenable number.

9472738109 is a deficient number, since it is larger than the sum of its proper divisors (1).

9472738109 is an equidigital number, since it uses as much as digits as its factorization.

9472738109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 9472738109 is about 97327.9924225297. The cubic root of 9472738109 is about 2115.8839465613.

The spelling of 9472738109 in words is "nine billion, four hundred seventy-two million, seven hundred thirty-eight thousand, one hundred nine".