2194504686 has 24 divisors (see below), whose sum is σ = 5187011544. Its totient is φ = 665001360.

The previous prime is 2194504679. The next prime is 2194504723. The reversal of 2194504686 is 6864054912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5541481 + ... + 5541876.

It is an arithmetic number, because the mean of its divisors is an integer number (216125481).

Almost surely, 2^2194504686 is an apocalyptic number.

2194504686 is an abundant number, since it is smaller than the sum of its proper divisors (2992506858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2194504686 is a wasteful number, since it uses less digits than its factorization.

2194504686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11083376 (or 11083373 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 2194504686 is about 46845.5407269465. The cubic root of 2194504686 is about 1299.5076411622.

The spelling of 2194504686 in words is "two billion, one hundred ninety-four million, five hundred four thousand, six hundred eighty-six".