2127794342 has 4 divisors (see below), whose sum is σ = 3191691516. Its totient is φ = 1063897170.

The previous prime is 2127794329. The next prime is 2127794369. The reversal of 2127794342 is 2434977212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2127794342.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 531948584 + ... + 531948587.

It is an arithmetic number, because the mean of its divisors is an integer number (797922879).

Almost surely, 2^2127794342 is an apocalyptic number.

2127794342 is a deficient number, since it is larger than the sum of its proper divisors (1063897174).

2127794342 is a wasteful number, since it uses less digits than its factorization.

2127794342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063897173.

The product of its digits is 169344, while the sum is 41.

The square root of 2127794342 is about 46128.0212235470. The cubic root of 2127794342 is about 1286.2040810574.

The spelling of 2127794342 in words is "two billion, one hundred twenty-seven million, seven hundred ninety-four thousand, three hundred forty-two".