9423281280 has 256 divisors, whose sum is σ = 34978003200. Its totient is φ = 2113093632.

The previous prime is 9423281269. The next prime is 9423281291. The reversal of 9423281280 is 821823249.

It is an interprime number because it is at equal distance from previous prime (9423281269) and next prime (9423281291).

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, 705706 + ... + 718934.

It is an arithmetic number, because the mean of its divisors is an integer number (136632825).

Almost surely, 2^9423281280 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 9423281280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17489001600).

9423281280 is an abundant number, since it is smaller than the sum of its proper divisors (25554721920).

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

9423281280 is a wasteful number, since it uses less digits than its factorization.

9423281280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13311 (or 13299 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 9423281280 is about 97073.5869328006. The cubic root of 9423281280 is about 2112.1952011958.

It can be divided in two parts, 9423 and 281280, that added together give a triangular number (290703 = T₇₆₂).

The spelling of 9423281280 in words is "nine billion, four hundred twenty-three million, two hundred eighty-one thousand, two hundred eighty".