1994809376926 has 16 divisors (see below), whose sum is σ = 3000374039520. Its totient is φ = 994685741280.

The previous prime is 1994809376921. The next prime is 1994809376929. The reversal of 1994809376926 is 6296739084991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994809376921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3601215 + ... + 4118053.

It is an arithmetic number, because the mean of its divisors is an integer number (187523377470).

Almost surely, 2^{1994809376926} is an apocalyptic number.

1994809376926 is a deficient number, since it is larger than the sum of its proper divisors (1005564662594).

1994809376926 is a wasteful number, since it uses less digits than its factorization.

1994809376926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522099.

The product of its (nonzero) digits is 317447424, while the sum is 73.

The spelling of 1994809376926 in words is "one trillion, nine hundred ninety-four billion, eight hundred nine million, three hundred seventy-six thousand, nine hundred twenty-six".