8194196479 has 4 divisors (see below), whose sum is σ = 9364795984. Its totient is φ = 7023596976.

The previous prime is 8194196473. The next prime is 8194196509. The reversal of 8194196479 is 9746914918.

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

It is a cyclic number.

It is not a de Polignac number, because 8194196479 - 2¹³ = 8194188287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8194196473) 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, 585299742 + ... + 585299755.

It is an arithmetic number, because the mean of its divisors is an integer number (2341198996).

Almost surely, 2^8194196479 is an apocalyptic number.

8194196479 is a deficient number, since it is larger than the sum of its proper divisors (1170599505).

8194196479 is a wasteful number, since it uses less digits than its factorization.

8194196479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170599504.

The product of its digits is 3919104, while the sum is 58.

The square root of 8194196479 is about 90521.8011254747. The cubic root of 8194196479 is about 2016.0538323597.

The spelling of 8194196479 in words is "eight billion, one hundred ninety-four million, one hundred ninety-six thousand, four hundred seventy-nine".