99473688999 has 12 divisors (see below), whose sum is σ = 144648543000. Its totient is φ = 65870719344.

The previous prime is 99473688991. The next prime is 99473689001. The reversal of 99473688999 is 99988637499.

99473688999 is a `hidden beast` number, since 9 + 9 + 473 + 68 + 89 + 9 + 9 = 666.

It is not a de Polignac number, because 99473688999 - 2³ = 99473688991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99473688991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37088029 + ... + 37090710.

It is an arithmetic number, because the mean of its divisors is an integer number (12054045250).

Almost surely, 2^99473688999 is an apocalyptic number.

99473688999 is a deficient number, since it is larger than the sum of its proper divisors (45174854001).

99473688999 is a wasteful number, since it uses less digits than its factorization.

99473688999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74178894 (or 74178891 counting only the distinct ones).

The product of its digits is 1904684544, while the sum is 81.

The spelling of 99473688999 in words is "ninety-nine billion, four hundred seventy-three million, six hundred eighty-eight thousand, nine hundred ninety-nine".