9021873648 has 80 divisors (see below), whose sum is σ = 24718703616. Its totient is φ = 2829361920.

The previous prime is 9021873631. The next prime is 9021873689. The reversal of 9021873648 is 8463781209.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 9021873597 and 9021873606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361 + ... + 134327.

Almost surely, 2^9021873648 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 9021873648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12359351808).

9021873648 is an abundant number, since it is smaller than the sum of its proper divisors (15696829968).

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

9021873648 is a wasteful number, since it uses less digits than its factorization.

9021873648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134062 (or 134056 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 9021873648 is about 94983.5440905423. The cubic root of 9021873648 is about 2081.7676086330.

The spelling of 9021873648 in words is "nine billion, twenty-one million, eight hundred seventy-three thousand, six hundred forty-eight".