8453975243 has 12 divisors (see below), whose sum is σ = 10261792080. Its totient is φ = 6931208592.

The previous prime is 8453975239. The next prime is 8453975263. The reversal of 8453975243 is 3425793548.

It is not a de Polignac number, because 8453975243 - 2² = 8453975239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8453975191 and 8453975200.

It is not an unprimeable number, because it can be changed into a prime (8453975263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3749528 + ... + 3751781.

It is an arithmetic number, because the mean of its divisors is an integer number (855149340).

Almost surely, 2^8453975243 is an apocalyptic number.

8453975243 is a deficient number, since it is larger than the sum of its proper divisors (1807816837).

8453975243 is a wasteful number, since it uses less digits than its factorization.

8453975243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7501346 (or 7501339 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 50.

The square root of 8453975243 is about 91945.5014832156. The cubic root of 8453975243 is about 2037.1374084120.

The spelling of 8453975243 in words is "eight billion, four hundred fifty-three million, nine hundred seventy-five thousand, two hundred forty-three".