9428075257 has 2 divisors, whose sum is σ = 9428075258. Its totient is φ = 9428075256.

The previous prime is 9428075243. The next prime is 9428075269. The reversal of 9428075257 is 7525708249.

9428075257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6449535481 + 2978539776 = 80309^2 + 54576^2 .

It is a cyclic number.

It is not a de Polignac number, because 9428075257 - 2¹⁹ = 9427550969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9428075257.

It is not a weakly prime, because it can be changed into another prime (9428075207) 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, 4714037628 + 4714037629.

It is an arithmetic number, because the mean of its divisors is an integer number (4714037629).

Almost surely, 2^9428075257 is an apocalyptic number.

It is an amenable number.

9428075257 is a deficient number, since it is larger than the sum of its proper divisors (1).

9428075257 is an equidigital number, since it uses as much as digits as its factorization.

9428075257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The square root of 9428075257 is about 97098.2762823316. The cubic root of 9428075257 is about 2112.5533248073.

The spelling of 9428075257 in words is "nine billion, four hundred twenty-eight million, seventy-five thousand, two hundred fifty-seven".