7188785273 has 2 divisors, whose sum is σ = 7188785274. Its totient is φ = 7188785272.

The previous prime is 7188785231. The next prime is 7188785323. The reversal of 7188785273 is 3725878817.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6800971024 + 387814249 = 82468^2 + 19693^2 .

It is a cyclic number.

It is not a de Polignac number, because 7188785273 - 2⁸ = 7188785017 is a prime.

It is not a weakly prime, because it can be changed into another prime (7188788273) 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, 3594392636 + 3594392637.

It is an arithmetic number, because the mean of its divisors is an integer number (3594392637).

Almost surely, 2^7188785273 is an apocalyptic number.

It is an amenable number.

7188785273 is a deficient number, since it is larger than the sum of its proper divisors (1).

7188785273 is an equidigital number, since it uses as much as digits as its factorization.

7188785273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5268480, while the sum is 56.

The square root of 7188785273 is about 84786.7045768380. The cubic root of 7188785273 is about 1929.9756834256.

The spelling of 7188785273 in words is "seven billion, one hundred eighty-eight million, seven hundred eighty-five thousand, two hundred seventy-three".