8492849638 has 96 divisors (see below), whose sum is σ = 16492514976. Its totient is φ = 3249372672.

The previous prime is 8492849627. The next prime is 8492849641. The reversal of 8492849638 is 8369482948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4928245 + ... + 4929967.

It is an arithmetic number, because the mean of its divisors is an integer number (171797031).

Almost surely, 2^8492849638 is an apocalyptic number.

8492849638 is a deficient number, since it is larger than the sum of its proper divisors (7999665338).

8492849638 is a wasteful number, since it uses less digits than its factorization.

8492849638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878 (or 1871 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 61.

The square root of 8492849638 is about 92156.6581316836. The cubic root of 8492849638 is about 2040.2551294075.

The spelling of 8492849638 in words is "eight billion, four hundred ninety-two million, eight hundred forty-nine thousand, six hundred thirty-eight".