9673418753928 has 320 divisors, whose sum is σ = 28836972909360. Its totient is φ = 3019116478464.

The previous prime is 9673418753927. The next prime is 9673418754011. The reversal of 9673418753928 is 8293578143769.

9673418753928 is a `hidden beast` number, since 9 + 6 + 7 + 3 + 4 + 1 + 87 + 539 + 2 + 8 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 4642378725924 + 5031040028004 = 2154618^2 + 2242998^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (9673418753927) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1779180426 + ... + 1779185862.

Almost surely, 2^{9673418753928} 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 9673418753928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14418486454680).

9673418753928 is an abundant number, since it is smaller than the sum of its proper divisors (19163554155432).

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

9673418753928 is a wasteful number, since it uses less digits than its factorization.

9673418753928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6278 (or 6265 counting only the distinct ones).

The product of its digits is 548674560, while the sum is 72.

The spelling of 9673418753928 in words is "nine trillion, six hundred seventy-three billion, four hundred eighteen million, seven hundred fifty-three thousand, nine hundred twenty-eight".