99453539500 has 192 divisors, whose sum is σ = 257839545600. Its totient is φ = 32800204800.

The previous prime is 99453539453. The next prime is 99453539503. The reversal of 99453539500 is 593535499.

It is not an unprimeable number, because it can be changed into a prime (99453539503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11521186 + ... + 11529814.

It is an arithmetic number, because the mean of its divisors is an integer number (1342914300).

Almost surely, 2^99453539500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99453539500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128919772800).

99453539500 is an abundant number, since it is smaller than the sum of its proper divisors (158386006100).

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

99453539500 is a wasteful number, since it uses less digits than its factorization.

99453539500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8781 (or 8769 counting only the distinct ones).

The product of its (nonzero) digits is 3280500, while the sum is 52.

The spelling of 99453539500 in words is "ninety-nine billion, four hundred fifty-three million, five hundred thirty-nine thousand, five hundred".