9172435243 has 2 divisors, whose sum is σ = 9172435244. Its totient is φ = 9172435242.

The previous prime is 9172435229. The next prime is 9172435247. The reversal of 9172435243 is 3425342719.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9172435243 - 2⁹ = 9172434731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9172435196 and 9172435205.

It is not a weakly prime, because it can be changed into another prime (9172435247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4586217621 + 4586217622.

It is an arithmetic number, because the mean of its divisors is an integer number (4586217622).

Almost surely, 2^9172435243 is an apocalyptic number.

9172435243 is a deficient number, since it is larger than the sum of its proper divisors (1).

9172435243 is an equidigital number, since it uses as much as digits as its factorization.

9172435243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 9172435243 is about 95772.8314450398. The cubic root of 9172435243 is about 2093.2843093519.

The spelling of 9172435243 in words is "nine billion, one hundred seventy-two million, four hundred thirty-five thousand, two hundred forty-three".