9927490990189 has 8 divisors (see below), whose sum is σ = 10057383020160. Its totient is φ = 9797843810496.

The previous prime is 9927490990171. The next prime is 9927490990247. The reversal of 9927490990189 is 9810990947299.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9927490990189 - 2¹¹ = 9927490988141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9927490990129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61130949 + ... + 61293130.

It is an arithmetic number, because the mean of its divisors is an integer number (1257172877520).

Almost surely, 2^{9927490990189} is an apocalyptic number.

It is an amenable number.

9927490990189 is a deficient number, since it is larger than the sum of its proper divisors (129892029971).

9927490990189 is a wasteful number, since it uses less digits than its factorization.

9927490990189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122425139.

The product of its (nonzero) digits is 238085568, while the sum is 76.

The spelling of 9927490990189 in words is "nine trillion, nine hundred twenty-seven billion, four hundred ninety million, nine hundred ninety thousand, one hundred eighty-nine".