9091819090910 has 16 divisors (see below), whose sum is σ = 16371293270400. Its totient is φ = 3635390101536.

The previous prime is 9091819090897. The next prime is 9091819090961. The reversal of 9091819090910 is 190909181909.

It is a super-2 number, since 2×9091819090910² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167163305 + ... + 167217684.

It is an arithmetic number, because the mean of its divisors is an integer number (1023205829400).

Almost surely, 2^{9091819090910} is an apocalyptic number.

9091819090910 is a deficient number, since it is larger than the sum of its proper divisors (7279474179490).

9091819090910 is a wasteful number, since it uses less digits than its factorization.

9091819090910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334383715.

The product of its (nonzero) digits is 472392, while the sum is 56.

The spelling of 9091819090910 in words is "nine trillion, ninety-one billion, eight hundred nineteen million, ninety thousand, nine hundred ten".