2281684108565 has 32 divisors (see below), whose sum is σ = 2839537741824. Its totient is φ = 1758899799360.

The previous prime is 2281684108477. The next prime is 2281684108577. The reversal of 2281684108565 is 5658014861822.

It is a de Polignac number, because none of the positive numbers 2^k-2281684108565 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2281684108565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29987720 + ... + 30063710.

It is an arithmetic number, because the mean of its divisors is an integer number (88735554432).

Almost surely, 2^{2281684108565} is an apocalyptic number.

It is an amenable number.

2281684108565 is a deficient number, since it is larger than the sum of its proper divisors (557853633259).

2281684108565 is a wasteful number, since it uses less digits than its factorization.

2281684108565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78017.

The product of its (nonzero) digits is 7372800, while the sum is 56.

The spelling of 2281684108565 in words is "two trillion, two hundred eighty-one billion, six hundred eighty-four million, one hundred eight thousand, five hundred sixty-five".