2194091366474 has 24 divisors (see below), whose sum is σ = 3951964441728. Its totient is φ = 909991809720.

The previous prime is 2194091366471. The next prime is 2194091366479. The reversal of 2194091366474 is 4746631904912.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2194091366471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361104824 + ... + 361110899.

It is an arithmetic number, because the mean of its divisors is an integer number (164665185072).

Almost surely, 2^{2194091366474} is an apocalyptic number.

2194091366474 is a deficient number, since it is larger than the sum of its proper divisors (1757873075254).

2194091366474 is a wasteful number, since it uses less digits than its factorization.

2194091366474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722215770 (or 722215763 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 2194091366474 in words is "two trillion, one hundred ninety-four billion, ninety-one million, three hundred sixty-six thousand, four hundred seventy-four".