2194432805 has 8 divisors (see below), whose sum is σ = 2718265344. Its totient is φ = 1698915600.

The previous prime is 2194432787. The next prime is 2194432837. The reversal of 2194432805 is 5082344912.

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

It is not a de Polignac number, because 2194432805 - 2⁸ = 2194432549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7078661 + ... + 7078970.

It is an arithmetic number, because the mean of its divisors is an integer number (339783168).

Almost surely, 2^2194432805 is an apocalyptic number.

It is an amenable number.

2194432805 is a deficient number, since it is larger than the sum of its proper divisors (523832539).

2194432805 is a wasteful number, since it uses less digits than its factorization.

2194432805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14157667.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 2194432805 is about 46844.7735078312. The cubic root of 2194432805 is about 1299.4934525498.

The spelling of 2194432805 in words is "two billion, one hundred ninety-four million, four hundred thirty-two thousand, eight hundred five".