9990492203 has 2 divisors, whose sum is σ = 9990492204. Its totient is φ = 9990492202.

The previous prime is 9990492173. The next prime is 9990492223. The reversal of 9990492203 is 3022940999.

9990492203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9990492203 - 2⁸ = 9990491947 is a prime.

It is not a weakly prime, because it can be changed into another prime (9990492223) 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 as a sum of consecutive naturals, namely, 4995246101 + 4995246102.

It is an arithmetic number, because the mean of its divisors is an integer number (4995246102).

Almost surely, 2^9990492203 is an apocalyptic number.

9990492203 is a deficient number, since it is larger than the sum of its proper divisors (1).

9990492203 is an equidigital number, since it uses as much as digits as its factorization.

9990492203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 9990492203 is about 99952.4497098495. The cubic root of 9990492203 is about 2153.7516759314.

The spelling of 9990492203 in words is "nine billion, nine hundred ninety million, four hundred ninety-two thousand, two hundred three".