28342475243 has 2 divisors, whose sum is σ = 28342475244. Its totient is φ = 28342475242.

The previous prime is 28342475177. The next prime is 28342475261. The reversal of 28342475243 is 34257424382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28342475243 - 2²⁰ = 28341426667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28342475194 and 28342475203.

It is not a weakly prime, because it can be changed into another prime (28342471243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14171237621 + 14171237622.

It is an arithmetic number, because the mean of its divisors is an integer number (14171237622).

Almost surely, 2^28342475243 is an apocalyptic number.

28342475243 is a deficient number, since it is larger than the sum of its proper divisors (1).

28342475243 is an equidigital number, since it uses as much as digits as its factorization.

28342475243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 44.

The spelling of 28342475243 in words is "twenty-eight billion, three hundred forty-two million, four hundred seventy-five thousand, two hundred forty-three".