8245189494 has 24 divisors (see below), whose sum is σ = 17881944912. Its totient is φ = 2745724560.

The previous prime is 8245189493. The next prime is 8245189529. The reversal of 8245189494 is 4949815428.

It is a happy number.

8245189494 is a `hidden beast` number, since 8 + 24 + 51 + 89 + 494 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 8245189494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8245189493) 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, 203589 + ... + 240704.

It is an arithmetic number, because the mean of its divisors is an integer number (745081038).

Almost surely, 2^8245189494 is an apocalyptic number.

8245189494 is an abundant number, since it is smaller than the sum of its proper divisors (9636755418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8245189494 is a wasteful number, since it uses less digits than its factorization.

8245189494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445332 (or 445329 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 8245189494 is about 90803.0257976021. The cubic root of 8245189494 is about 2020.2271984100.

The spelling of 8245189494 in words is "eight billion, two hundred forty-five million, one hundred eighty-nine thousand, four hundred ninety-four".