2204894721649 has 8 divisors (see below), whose sum is σ = 2255881874240. Its totient is φ = 2154386322000.

The previous prime is 2204894721637. The next prime is 2204894721739. The reversal of 2204894721649 is 9461274984022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2204894721649 - 2¹³ = 2204894713457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2204894721593 and 2204894721602.

It is not an unprimeable number, because it can be changed into a prime (2204894721629) by changing a digit.

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, 119678919 + ... + 119697340.

It is an arithmetic number, because the mean of its divisors is an integer number (281985234280).

Almost surely, 2^{2204894721649} is an apocalyptic number.

It is an amenable number.

2204894721649 is a deficient number, since it is larger than the sum of its proper divisors (50987152591).

2204894721649 is a wasteful number, since it uses less digits than its factorization.

2204894721649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239376471.

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 2204894721649 in words is "two trillion, two hundred four billion, eight hundred ninety-four million, seven hundred twenty-one thousand, six hundred forty-nine".