2126178933994 has 16 divisors (see below), whose sum is σ = 3204078042816. Its totient is φ = 1058155142400.

The previous prime is 2126178933919. The next prime is 2126178934001. The reversal of 2126178933994 is 4993398716212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1367434 + ... + 2474314.

It is an arithmetic number, because the mean of its divisors is an integer number (200254877676).

Almost surely, 2^{2126178933994} is an apocalyptic number.

2126178933994 is a deficient number, since it is larger than the sum of its proper divisors (1077899108822).

2126178933994 is a wasteful number, since it uses less digits than its factorization.

2126178933994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111341.

The product of its digits is 35271936, while the sum is 64.

The spelling of 2126178933994 in words is "two trillion, one hundred twenty-six billion, one hundred seventy-eight million, nine hundred thirty-three thousand, nine hundred ninety-four".