9990103892 has 12 divisors (see below), whose sum is σ = 17547195456. Its totient is φ = 4976619480.

The previous prime is 9990103891. The next prime is 9990103909. The reversal of 9990103892 is 2983010999.

9990103892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9990103892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9990103891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4606898 + ... + 4609065.

It is an arithmetic number, because the mean of its divisors is an integer number (1462266288).

Almost surely, 2^9990103892 is an apocalyptic number.

It is an amenable number.

9990103892 is a deficient number, since it is larger than the sum of its proper divisors (7557091564).

9990103892 is a wasteful number, since it uses less digits than its factorization.

9990103892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9216238 (or 9216236 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 50.

The square root of 9990103892 is about 99950.5072123198. The cubic root of 9990103892 is about 2153.7237715237.

The spelling of 9990103892 in words is "nine billion, nine hundred ninety million, one hundred three thousand, eight hundred ninety-two".