2149176194 has 16 divisors (see below), whose sum is σ = 3517620480. Its totient is φ = 976679760.

The previous prime is 2149176179. The next prime is 2149176199. The reversal of 2149176194 is 4916719412.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2149176199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130127 + ... + 145709.

It is an arithmetic number, because the mean of its divisors is an integer number (219851280).

Almost surely, 2^2149176194 is an apocalyptic number.

2149176194 is a deficient number, since it is larger than the sum of its proper divisors (1368444286).

2149176194 is a wasteful number, since it uses less digits than its factorization.

2149176194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21865.

The product of its digits is 108864, while the sum is 44.

The square root of 2149176194 is about 46359.2082978129. The cubic root of 2149176194 is about 1290.4980137508.

The spelling of 2149176194 in words is "two billion, one hundred forty-nine million, one hundred seventy-six thousand, one hundred ninety-four".