9218805960808 has 8 divisors (see below), whose sum is σ = 17285261176530. Its totient is φ = 4609402980400.

The previous prime is 9218805960799. The next prime is 9218805960811. The reversal of 9218805960808 is 8080695088129.

It can be written as a sum of positive squares in only one way, i.e., 9203711872644 + 15094088164 = 3033762^2 + 122858^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×9218805960808² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9218805960808.

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 as a sum of consecutive naturals, namely, 576175372543 + ... + 576175372558.

Almost surely, 2^{9218805960808} is an apocalyptic number.

It is an amenable number.

9218805960808 is a deficient number, since it is larger than the sum of its proper divisors (8066455215722).

9218805960808 is a wasteful number, since it uses less digits than its factorization.

9218805960808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152350745107 (or 1152350745103 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 64.

The spelling of 9218805960808 in words is "nine trillion, two hundred eighteen billion, eight hundred five million, nine hundred sixty thousand, eight hundred eight".