99133439500 has 24 divisors (see below), whose sum is σ = 216507432960. Its totient is φ = 39653375600.

The previous prime is 99133439491. The next prime is 99133439507. The reversal of 99133439500 is 593433199.

It is not an unprimeable number, because it can be changed into a prime (99133439507) 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, 99132940 + ... + 99133939.

It is an arithmetic number, because the mean of its divisors is an integer number (9021143040).

Almost surely, 2^99133439500 is an apocalyptic number.

It is an amenable number.

99133439500 is an abundant number, since it is smaller than the sum of its proper divisors (117373993460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99133439500 is a wasteful number, since it uses less digits than its factorization.

99133439500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198266898 (or 198266886 counting only the distinct ones).

The product of its (nonzero) digits is 393660, while the sum is 46.

The spelling of 99133439500 in words is "ninety-nine billion, one hundred thirty-three million, four hundred thirty-nine thousand, five hundred".