2146427194 has 4 divisors (see below), whose sum is σ = 3219640794. Its totient is φ = 1073213596.

The previous prime is 2146427189. The next prime is 2146427219. The reversal of 2146427194 is 4917246412.

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

It can be written as a sum of positive squares in only one way, i.e., 2002115025 + 144312169 = 44745^2 + 12013^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536606797 + ... + 536606800.

Almost surely, 2^2146427194 is an apocalyptic number.

2146427194 is a deficient number, since it is larger than the sum of its proper divisors (1073213600).

2146427194 is a wasteful number, since it uses less digits than its factorization.

2146427194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073213599.

The product of its digits is 96768, while the sum is 40.

The square root of 2146427194 is about 46329.5499006843. The cubic root of 2146427194 is about 1289.9475559073.

The spelling of 2146427194 in words is "two billion, one hundred forty-six million, four hundred twenty-seven thousand, one hundred ninety-four".