9999590489 has 8 divisors (see below), whose sum is σ = 11449000128. Its totient is φ = 8555405040.

The previous prime is 9999590483. The next prime is 9999590501. The reversal of 9999590489 is 9840959999.

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

It is not a de Polignac number, because 9999590489 - 2²⁰ = 9998541913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9999590483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301942 + ... + 1309599.

It is an arithmetic number, because the mean of its divisors is an integer number (1431125016).

Almost surely, 2^9999590489 is an apocalyptic number.

It is an amenable number.

9999590489 is a deficient number, since it is larger than the sum of its proper divisors (1449409639).

9999590489 is a wasteful number, since it uses less digits than its factorization.

9999590489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612095.

The product of its (nonzero) digits is 85030560, while the sum is 71.

The square root of 9999590489 is about 99997.9524240372. The cubic root of 9999590489 is about 2154.4052808070.

The spelling of 9999590489 in words is "nine billion, nine hundred ninety-nine million, five hundred ninety thousand, four hundred eighty-nine".