99589173409 has 8 divisors (see below), whose sum is σ = 108678544128. Its totient is φ = 90505770960.

The previous prime is 99589173337. The next prime is 99589173421. The reversal of 99589173409 is 90437198599.

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

It is not a de Polignac number, because 99589173409 - 2²³ = 99580784801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99589173109) 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, 1457137 + ... + 1523950.

It is an arithmetic number, because the mean of its divisors is an integer number (13584818016).

Almost surely, 2^99589173409 is an apocalyptic number.

It is an amenable number.

99589173409 is a deficient number, since it is larger than the sum of its proper divisors (9089370719).

99589173409 is a wasteful number, since it uses less digits than its factorization.

99589173409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984135.

The product of its (nonzero) digits is 22044960, while the sum is 64.

The spelling of 99589173409 in words is "ninety-nine billion, five hundred eighty-nine million, one hundred seventy-three thousand, four hundred nine".