8225387634243 has 24 divisors (see below), whose sum is σ = 11980802431152. Its totient is φ = 5016982483968.

The previous prime is 8225387634229. The next prime is 8225387634281. The reversal of 8225387634243 is 3424367835228.

It is not a de Polignac number, because 8225387634243 - 2¹² = 8225387630147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8225387634943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71728746 + ... + 71843327.

It is an arithmetic number, because the mean of its divisors is an integer number (499200101298).

Almost surely, 2^{8225387634243} is an apocalyptic number.

8225387634243 is a deficient number, since it is larger than the sum of its proper divisors (3755414796909).

8225387634243 is a wasteful number, since it uses less digits than its factorization.

8225387634243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143572215 (or 143572202 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 57.

The spelling of 8225387634243 in words is "eight trillion, two hundred twenty-five billion, three hundred eighty-seven million, six hundred thirty-four thousand, two hundred forty-three".