1083217894389 has 24 divisors (see below), whose sum is σ = 1622967265920. Its totient is φ = 695688823872.

The previous prime is 1083217894357. The next prime is 1083217894397. The reversal of 1083217894389 is 9834987123801.

1083217894389 is a `hidden beast` number, since 1 + 0 + 83 + 2 + 178 + 9 + 4 + 389 = 666.

It is not a de Polignac number, because 1083217894389 - 2⁵ = 1083217894357 is a prime.

It is a super-2 number, since 2×1083217894389² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083217894309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19143069 + ... + 19199570.

It is an arithmetic number, because the mean of its divisors is an integer number (67623636080).

Almost surely, 2^{1083217894389} is an apocalyptic number.

It is an amenable number.

1083217894389 is a deficient number, since it is larger than the sum of its proper divisors (539749371531).

1083217894389 is a wasteful number, since it uses less digits than its factorization.

1083217894389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38342761 (or 38342758 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 1083217894389 in words is "one trillion, eighty-three billion, two hundred seventeen million, eight hundred ninety-four thousand, three hundred eighty-nine".