2216593650945 has 8 divisors (see below), whose sum is σ = 3546549841536. Its totient is φ = 1182183280496.

The previous prime is 2216593650881. The next prime is 2216593650967. The reversal of 2216593650945 is 5490563956122.

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 2216593650945 - 2⁶ = 2216593650881 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73886455017 + ... + 73886455046.

It is an arithmetic number, because the mean of its divisors is an integer number (443318730192).

Almost surely, 2^{2216593650945} is an apocalyptic number.

It is an amenable number.

2216593650945 is a deficient number, since it is larger than the sum of its proper divisors (1329956190591).

2216593650945 is a wasteful number, since it uses less digits than its factorization.

2216593650945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147772910071.

The product of its (nonzero) digits is 17496000, while the sum is 57.

The spelling of 2216593650945 in words is "two trillion, two hundred sixteen billion, five hundred ninety-three million, six hundred fifty thousand, nine hundred forty-five".