9345274858920 has 1536 divisors, whose sum is σ = 39890974556160. Its totient is φ = 1734092236800.

The previous prime is 9345274858903. The next prime is 9345274858921. The reversal of 9345274858920 is 298584725439.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (9345274858921) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 3153989359 + ... + 3153992321.

It is an arithmetic number, because the mean of its divisors is an integer number (25970686560).

Almost surely, 2^{9345274858920} 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 9345274858920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19945487278080).

9345274858920 is an abundant number, since it is smaller than the sum of its proper divisors (30545699697240).

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

9345274858920 is a wasteful number, since it uses less digits than its factorization.

9345274858920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068 (or 3035 counting only the distinct ones).

The product of its (nonzero) digits is 174182400, while the sum is 66.

The spelling of 9345274858920 in words is "nine trillion, three hundred forty-five billion, two hundred seventy-four million, eight hundred fifty-eight thousand, nine hundred twenty".