8919473472 has 168 divisors, whose sum is σ = 31466105216. Its totient is φ = 2352374784.

The previous prime is 8919473471. The next prime is 8919473473. The reversal of 8919473472 is 2743749198.

8919473472 is a `hidden beast` number, since 89 + 1 + 94 + 7 + 3 + 472 = 666.

It is an interprime number because it is at equal distance from previous prime (8919473471) and next prime (8919473473).

It is a tau number, because it is divible by the number of its divisors (168).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8919473471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32668 + ... + 137499.

Almost surely, 2^8919473472 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 8919473472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15733052608).

8919473472 is an abundant number, since it is smaller than the sum of its proper divisors (22546631744).

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

8919473472 is a wasteful number, since it uses less digits than its factorization.

8919473472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170205 (or 170192 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 8919473472 is about 94442.9641212092. The cubic root of 8919473472 is about 2073.8614528726.

The spelling of 8919473472 in words is "eight billion, nine hundred nineteen million, four hundred seventy-three thousand, four hundred seventy-two".