9399507063672 has 256 divisors, whose sum is σ = 28973973196800. Its totient is φ = 2503920384000.

The previous prime is 9399507063647. The next prime is 9399507063679. The reversal of 9399507063672 is 2763607059939.

9399507063672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9399507063679) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5278047 + ... + 6830577.

It is an arithmetic number, because the mean of its divisors is an integer number (113179582800).

Almost surely, 2^{9399507063672} 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 9399507063672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14486986598400).

9399507063672 is an abundant number, since it is smaller than the sum of its proper divisors (19574466133128).

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

9399507063672 is a wasteful number, since it uses less digits than its factorization.

9399507063672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552658 (or 1552654 counting only the distinct ones).

The product of its (nonzero) digits is 115736040, while the sum is 66.

The spelling of 9399507063672 in words is "nine trillion, three hundred ninety-nine billion, five hundred seven million, sixty-three thousand, six hundred seventy-two".