9069898449920 has 352 divisors, whose sum is σ = 27191003857920. Its totient is φ = 2820182999040.

The previous prime is 9069898449863. The next prime is 9069898449971. The reversal of 9069898449920 is 299448989609.

It is a tau number, because it is divible by the number of its divisors (352).

It is a super-2 number, since 2×9069898449920² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (77).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165159107 + ... + 165214013.

Almost surely, 2^{9069898449920} 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 9069898449920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13595501928960).

9069898449920 is an abundant number, since it is smaller than the sum of its proper divisors (18121105408000).

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

9069898449920 is a wasteful number, since it uses less digits than its factorization.

9069898449920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55369 (or 55351 counting only the distinct ones).

The product of its (nonzero) digits is 725594112, while the sum is 77.

The spelling of 9069898449920 in words is "nine trillion, sixty-nine billion, eight hundred ninety-eight million, four hundred forty-nine thousand, nine hundred twenty".