9128498748864 has 224 divisors, whose sum is σ = 26500063027200. Its totient is φ = 2750296550400.

The previous prime is 9128498748847. The next prime is 9128498748877. The reversal of 9128498748864 is 4688478948219.

It is a happy number.

It is a super-2 number, since 2×9128498748864² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9128498748864.

It is a congruent number.

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, 381949587 + ... + 381973485.

It is an arithmetic number, because the mean of its divisors is an integer number (118303852800).

Almost surely, 2^{9128498748864} 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 9128498748864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13250031513600).

9128498748864 is an abundant number, since it is smaller than the sum of its proper divisors (17371564278336).

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

9128498748864 is a wasteful number, since it uses less digits than its factorization.

9128498748864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24959 (or 24949 counting only the distinct ones).

The product of its digits is 1783627776, while the sum is 78.

The spelling of 9128498748864 in words is "nine trillion, one hundred twenty-eight billion, four hundred ninety-eight million, seven hundred forty-eight thousand, eight hundred sixty-four".