99019000000 has 196 divisors, whose sum is σ = 248777909352. Its totient is φ = 39097600000.

The previous prime is 99018999973. The next prime is 99019000019. The reversal of 99019000000 is 91099.

It is a super-2 number, since 2×99019000000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 82999404 + ... + 83000596.

Almost surely, 2^99019000000 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 99019000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124388954676).

99019000000 is an abundant number, since it is smaller than the sum of its proper divisors (149758909352).

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

99019000000 is an frugal number, since it uses more digits than its factorization.

99019000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318 (or 1283 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 28.

Adding to 99019000000 its reverse (91099), we get a palindrome (99019091099).

The spelling of 99019000000 in words is "ninety-nine billion, nineteen million", and thus it is an aban number and an uban number.