9954664599 has 32 divisors (see below), whose sum is σ = 14615702784. Its totient is φ = 5976622080.

The previous prime is 9954664571. The next prime is 9954664609.

It is a happy number.

9954664599 is nontrivially palindromic in base 10.

9954664599 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9954664599 - 2⁵ = 9954664567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9954664099) 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 31 ways as a sum of consecutive naturals, for example, 1826172 + ... + 1831614.

It is an arithmetic number, because the mean of its divisors is an integer number (456740712).

Almost surely, 2^9954664599 is an apocalyptic number.

9954664599 is a deficient number, since it is larger than the sum of its proper divisors (4661038185).

9954664599 is a wasteful number, since it uses less digits than its factorization.

9954664599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5967.

The product of its digits is 94478400, while the sum is 66.

The square root of 9954664599 is about 99773.0654986605. The cubic root of 9954664599 is about 2151.1740189086.

The spelling of 9954664599 in words is "nine billion, nine hundred fifty-four million, six hundred sixty-four thousand, five hundred ninety-nine".