9990925599 has 16 divisors (see below), whose sum is σ = 13500172800. Its totient is φ = 6571473216.

The previous prime is 9990925583. The next prime is 9990925603. The reversal of 9990925599 is 9955290999.

9990925599 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9990925599 - 2⁴ = 9990925583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9990925559) 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 15 ways as a sum of consecutive naturals, for example, 83212 + ... + 164030.

It is an arithmetic number, because the mean of its divisors is an integer number (843760800).

Almost surely, 2^9990925599 is an apocalyptic number.

9990925599 is a deficient number, since it is larger than the sum of its proper divisors (3509247201).

9990925599 is a wasteful number, since it uses less digits than its factorization.

9990925599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81374.

The product of its (nonzero) digits is 26572050, while the sum is 66.

The square root of 9990925599 is about 99954.6176972330. The cubic root of 9990925599 is about 2153.7828193374.

The spelling of 9990925599 in words is "nine billion, nine hundred ninety million, nine hundred twenty-five thousand, five hundred ninety-nine".