99443738205 has 128 divisors (see below), whose sum is σ = 206938752000. Its totient is φ = 45290036736.

The previous prime is 99443738171. The next prime is 99443738227. The reversal of 99443738205 is 50283734499.

It is not a de Polignac number, because 99443738205 - 2⁸ = 99443737949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12822609 + ... + 12830361.

It is an arithmetic number, because the mean of its divisors is an integer number (1616709000).

Almost surely, 2^99443738205 is an apocalyptic number.

It is an amenable number.

99443738205 is an abundant number, since it is smaller than the sum of its proper divisors (107495013795).

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

99443738205 is a wasteful number, since it uses less digits than its factorization.

99443738205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8065 (or 8045 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 99443738205 in words is "ninety-nine billion, four hundred forty-three million, seven hundred thirty-eight thousand, two hundred five".