9927490990190 has 64 divisors (see below), whose sum is σ = 18439256404800. Its totient is φ = 3845828828160.

The previous prime is 9927490990171. The next prime is 9927490990247. The reversal of 9927490990190 is 910990947299.

It is a happy number.

It is a super-2 number, since 2×9927490990190² (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 9927490990190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103377377 + ... + 103473363.

It is an arithmetic number, because the mean of its divisors is an integer number (288113381325).

Almost surely, 2^{9927490990190} is an apocalyptic number.

9927490990190 is a deficient number, since it is larger than the sum of its proper divisors (8511765414610).

9927490990190 is a wasteful number, since it uses less digits than its factorization.

9927490990190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97877.

The product of its (nonzero) digits is 29760696, while the sum is 68.

The spelling of 9927490990190 in words is "nine trillion, nine hundred twenty-seven billion, four hundred ninety million, nine hundred ninety thousand, one hundred ninety".