8119834042 has 4 divisors (see below), whose sum is σ = 12179751066. Its totient is φ = 4059917020.

The previous prime is 8119833991. The next prime is 8119834057. The reversal of 8119834042 is 2404389118.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8001481401 + 118352641 = 89451^2 + 10879^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 8119833986 and 8119834004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2029958509 + ... + 2029958512.

Almost surely, 2^8119834042 is an apocalyptic number.

8119834042 is a deficient number, since it is larger than the sum of its proper divisors (4059917024).

8119834042 is a wasteful number, since it uses less digits than its factorization.

8119834042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059917023.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 8119834042 is about 90110.1217511107. The cubic root of 8119834042 is about 2009.9367192110.

The spelling of 8119834042 in words is "eight billion, one hundred nineteen million, eight hundred thirty-four thousand, forty-two".