7196128939 has 2 divisors, whose sum is σ = 7196128940. Its totient is φ = 7196128938.

The previous prime is 7196128873. The next prime is 7196128997. The reversal of 7196128939 is 9398216917.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7196128939 - 2¹¹ = 7196126891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7196128939.

It is not a weakly prime, because it can be changed into another prime (7196128999) 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, 3598064469 + 3598064470.

It is an arithmetic number, because the mean of its divisors is an integer number (3598064470).

Almost surely, 2^7196128939 is an apocalyptic number.

7196128939 is a deficient number, since it is larger than the sum of its proper divisors (1).

7196128939 is an equidigital number, since it uses as much as digits as its factorization.

7196128939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 55.

The square root of 7196128939 is about 84830.0002298715. Note that the first 3 decimals coincide. The cubic root of 7196128939 is about 1930.6326452931.

The spelling of 7196128939 in words is "seven billion, one hundred ninety-six million, one hundred twenty-eight thousand, nine hundred thirty-nine".