9017690976981 has 8 divisors (see below), whose sum is σ = 13359542188160. Its totient is φ = 6011793984636.

The previous prime is 9017690976967. The next prime is 9017690977007. The reversal of 9017690976981 is 1896790967109.

It is not a de Polignac number, because 9017690976981 - 2¹¹ = 9017690974933 is a prime.

It is a super-2 number, since 2×9017690976981² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9017690971981) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 166994277325 + ... + 166994277378.

It is an arithmetic number, because the mean of its divisors is an integer number (1669942773520).

Almost surely, 2^{9017690976981} is an apocalyptic number.

It is an amenable number.

9017690976981 is a deficient number, since it is larger than the sum of its proper divisors (4341851211179).

9017690976981 is a wasteful number, since it uses less digits than its factorization.

9017690976981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333988554712 (or 333988554706 counting only the distinct ones).

The product of its (nonzero) digits is 92588832, while the sum is 72.

The spelling of 9017690976981 in words is "nine trillion, seventeen billion, six hundred ninety million, nine hundred seventy-six thousand, nine hundred eighty-one".