99500459 has 4 divisors (see below), whose sum is σ = 99520416. Its totient is φ = 99480504.

The previous prime is 99500449. The next prime is 99500501. The reversal of 99500459 is 95400599.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99500459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99500419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4622 + ... + 14844.

It is an arithmetic number, because the mean of its divisors is an integer number (24880104).

Almost surely, 2^99500459 is an apocalyptic number.

99500459 is a deficient number, since it is larger than the sum of its proper divisors (19957).

99500459 is a wasteful number, since it uses less digits than its factorization.

99500459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19956.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 99500459 is about 9974.9916791945. The cubic root of 99500459 is about 463.3847048378.

The spelling of 99500459 in words is "ninety-nine million, five hundred thousand, four hundred fifty-nine".