99468609 has 4 divisors (see below), whose sum is σ = 132624816. Its totient is φ = 66312404.

The previous prime is 99468601. The next prime is 99468619. The reversal of 99468609 is 90686499.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90686499 = 3 ⋅30228833.

It is a cyclic number.

It is not a de Polignac number, because 99468609 - 2³ = 99468601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99468601) 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, 16578099 + ... + 16578104.

It is an arithmetic number, because the mean of its divisors is an integer number (33156204).

Almost surely, 2^99468609 is an apocalyptic number.

It is an amenable number.

99468609 is a deficient number, since it is larger than the sum of its proper divisors (33156207).

99468609 is a wasteful number, since it uses less digits than its factorization.

99468609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33156206.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 99468609 is about 9973.3950588553. The cubic root of 99468609 is about 463.3352565637.

The spelling of 99468609 in words is "ninety-nine million, four hundred sixty-eight thousand, six hundred nine".