9772344913 has 2 divisors, whose sum is σ = 9772344914. Its totient is φ = 9772344912.

The previous prime is 9772344899. The next prime is 9772344929. The reversal of 9772344913 is 3194432779.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9719593744 + 52751169 = 98588^2 + 7263^2 .

It is a cyclic number.

It is not a de Polignac number, because 9772344913 - 2⁹ = 9772344401 is a prime.

It is not a weakly prime, because it can be changed into another prime (9772344973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4886172456 + 4886172457.

It is an arithmetic number, because the mean of its divisors is an integer number (4886172457).

Almost surely, 2^9772344913 is an apocalyptic number.

It is an amenable number.

9772344913 is a deficient number, since it is larger than the sum of its proper divisors (1).

9772344913 is an equidigital number, since it uses as much as digits as its factorization.

9772344913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 49.

The square root of 9772344913 is about 98855.1714024107. The cubic root of 9772344913 is about 2137.9600988883.

The spelling of 9772344913 in words is "nine billion, seven hundred seventy-two million, three hundred forty-four thousand, nine hundred thirteen".