2011432194 has 24 divisors (see below), whose sum is σ = 4378765872. Its totient is φ = 667298520.

The previous prime is 2011432151. The next prime is 2011432217. The reversal of 2011432194 is 4912341102.

It is a happy 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 11 ways as a sum of consecutive naturals, for example, 261004 + ... + 268599.

It is an arithmetic number, because the mean of its divisors is an integer number (182448578).

Almost surely, 2^2011432194 is an apocalyptic number.

2011432194 is an abundant number, since it is smaller than the sum of its proper divisors (2367333678).

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

2011432194 is a wasteful number, since it uses less digits than its factorization.

2011432194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529822 (or 529819 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2011432194 is about 44848.9932328475. The cubic root of 2011432194 is about 1262.3171006358.

Adding to 2011432194 its reverse (4912341102), we get a palindrome (6923773296).

The spelling of 2011432194 in words is "two billion, eleven million, four hundred thirty-two thousand, one hundred ninety-four".