99990203533 has 12 divisors (see below), whose sum is σ = 111409088832. Its totient is φ = 88959741320.

The previous prime is 99990203513. The next prime is 99990203539. The reversal of 99990203533 is 33530209999.

It is not a de Polignac number, because 99990203533 - 2¹³ = 99990195341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99990203539) 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, 7182966 + ... + 7196872.

It is an arithmetic number, because the mean of its divisors is an integer number (9284090736).

Almost surely, 2^99990203533 is an apocalyptic number.

It is an amenable number.

99990203533 is a deficient number, since it is larger than the sum of its proper divisors (11418885299).

99990203533 is an frugal number, since it uses more digits than its factorization.

99990203533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27872 (or 13965 counting only the distinct ones).

The product of its (nonzero) digits is 1771470, while the sum is 52.

The spelling of 99990203533 in words is "ninety-nine billion, nine hundred ninety million, two hundred three thousand, five hundred thirty-three".