8192738638 has 8 divisors (see below), whose sum is σ = 14044694832. Its totient is φ = 3511173696.

The previous prime is 8192738633. The next prime is 8192738647. The reversal of 8192738638 is 8368372918.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8192738633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292597795 + ... + 292597822.

It is an arithmetic number, because the mean of its divisors is an integer number (1755586854).

Almost surely, 2^8192738638 is an apocalyptic number.

8192738638 is a deficient number, since it is larger than the sum of its proper divisors (5851956194).

8192738638 is a wasteful number, since it uses less digits than its factorization.

8192738638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585195626.

The product of its digits is 3483648, while the sum is 55.

The square root of 8192738638 is about 90513.7483369239. The cubic root of 8192738638 is about 2015.9342656128.

The spelling of 8192738638 in words is "eight billion, one hundred ninety-two million, seven hundred thirty-eight thousand, six hundred thirty-eight".