9091919109092 has 48 divisors (see below), whose sum is σ = 16531039547568. Its totient is φ = 4372278804480.

The previous prime is 9091919109029. The next prime is 9091919109109. The reversal of 9091919109092 is 2909019191909.

It can be written as a sum of positive squares in 8 ways, for example, as 429528187456 + 8662390921636 = 655384^2 + 2943194^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2976428 + ... + 5200284.

It is an arithmetic number, because the mean of its divisors is an integer number (344396657241).

Almost surely, 2^{9091919109092} is an apocalyptic number.

It is an amenable number.

9091919109092 is a deficient number, since it is larger than the sum of its proper divisors (7439120438476).

9091919109092 is a wasteful number, since it uses less digits than its factorization.

9091919109092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224256 (or 2224254 counting only the distinct ones).

The product of its (nonzero) digits is 1062882, while the sum is 59.

The spelling of 9091919109092 in words is "nine trillion, ninety-one billion, nine hundred nineteen million, one hundred nine thousand, ninety-two".