8119091194 has 16 divisors (see below), whose sum is σ = 12213907200. Its totient is φ = 4047803424.

The previous prime is 8119091179. The next prime is 8119091209. The reversal of 8119091194 is 4911909118.

It is an interprime number because it is at equal distance from previous prime (8119091179) and next prime (8119091209).

It is a self number, because there is not a number n which added to its sum of digits gives 8119091194.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556062 + ... + 1561270.

It is an arithmetic number, because the mean of its divisors is an integer number (763369200).

Almost surely, 2^8119091194 is an apocalyptic number.

8119091194 is a deficient number, since it is larger than the sum of its proper divisors (4094816006).

8119091194 is a wasteful number, since it uses less digits than its factorization.

8119091194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7317.

The product of its (nonzero) digits is 23328, while the sum is 43.

The square root of 8119091194 is about 90105.9997669412. Note that the first 3 decimals coincide. The cubic root of 8119091194 is about 2009.8754239104.

The spelling of 8119091194 in words is "eight billion, one hundred nineteen million, ninety-one thousand, one hundred ninety-four".