8494225638 has 8 divisors (see below), whose sum is σ = 16988451288. Its totient is φ = 2831408544.

The previous prime is 8494225637. The next prime is 8494225681. The reversal of 8494225638 is 8365224948.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

8494225638 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8494225637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707852131 + ... + 707852142.

It is an arithmetic number, because the mean of its divisors is an integer number (2123556411).

Almost surely, 2^8494225638 is an apocalyptic number.

8494225638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8494225638 is a wasteful number, since it uses less digits than its factorization.

8494225638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415704278.

The product of its digits is 3317760, while the sum is 51.

The square root of 8494225638 is about 92164.1233778090. The cubic root of 8494225638 is about 2040.3653099152.

The spelling of 8494225638 in words is "eight billion, four hundred ninety-four million, two hundred twenty-five thousand, six hundred thirty-eight".