4194054709 has 4 divisors (see below), whose sum is σ = 4516674316. Its totient is φ = 3871435104.

The previous prime is 4194054679. The next prime is 4194054719. The reversal of 4194054709 is 9074504914.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2314572100 + 1879482609 = 48110^2 + 43353^2 .

It is a cyclic number.

It is not a de Polignac number, because 4194054709 - 2¹⁹ = 4193530421 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 (4194054719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161309784 + ... + 161309809.

It is an arithmetic number, because the mean of its divisors is an integer number (1129168579).

Almost surely, 2^4194054709 is an apocalyptic number.

It is an amenable number.

4194054709 is a deficient number, since it is larger than the sum of its proper divisors (322619607).

4194054709 is a wasteful number, since it uses less digits than its factorization.

4194054709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322619606.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 4194054709 is about 64761.5218243055. The cubic root of 4194054709 is about 1612.6669926527. Note that the first 3 decimals are identical.

The spelling of 4194054709 in words is "four billion, one hundred ninety-four million, fifty-four thousand, seven hundred nine".