9423974707290 has 384 divisors, whose sum is σ = 31497618216960. Its totient is φ = 1984809277440.

The previous prime is 9423974707289. The next prime is 9423974707297. The reversal of 9423974707290 is 927074793249.

9423974707290 is a `hidden beast` number, since 9 + 4 + 2 + 3 + 9 + 7 + 470 + 72 + 90 = 666.

It is a super-2 number, since 2×9423974707290² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9423974707297) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6567447 + ... + 7872693.

It is an arithmetic number, because the mean of its divisors is an integer number (82025047440).

Almost surely, 2^{9423974707290} is an apocalyptic number.

9423974707290 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9423974707290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15748809108480).

9423974707290 is an abundant number, since it is smaller than the sum of its proper divisors (22073643509670).

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

9423974707290 is a wasteful number, since it uses less digits than its factorization.

9423974707290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305315 (or 1305298 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 63.

The spelling of 9423974707290 in words is "nine trillion, four hundred twenty-three billion, nine hundred seventy-four million, seven hundred seven thousand, two hundred ninety".