4194009636 has 12 divisors (see below), whose sum is σ = 9786022512. Its totient is φ = 1398003208.

The previous prime is 4194009619. The next prime is 4194009637. The reversal of 4194009636 is 6369004914.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (4194009637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174750390 + ... + 174750413.

It is an arithmetic number, because the mean of its divisors is an integer number (815501876).

Almost surely, 2^4194009636 is an apocalyptic number.

It is an amenable number.

4194009636 is an abundant number, since it is smaller than the sum of its proper divisors (5592012876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4194009636 is a wasteful number, since it uses less digits than its factorization.

4194009636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349500810 (or 349500808 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 4194009636 is about 64761.1738312393. The cubic root of 4194009636 is about 1612.6612155862.

The spelling of 4194009636 in words is "four billion, one hundred ninety-four million, nine thousand, six hundred thirty-six".