9438621504 has 112 divisors (see below), whose sum is σ = 28063496832. Its totient is φ = 2777905152.

The previous prime is 9438621463. The next prime is 9438621529. The reversal of 9438621504 is 4051268349.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24799 + ... + 139614.

It is an arithmetic number, because the mean of its divisors is an integer number (250566936).

Almost surely, 2^9438621504 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 9438621504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14031748416).

9438621504 is an abundant number, since it is smaller than the sum of its proper divisors (18624875328).

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

9438621504 is a wasteful number, since it uses less digits than its factorization.

9438621504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164464 (or 164454 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 9438621504 is about 97152.5681801567. The cubic root of 9438621504 is about 2113.3407321493.

The spelling of 9438621504 in words is "nine billion, four hundred thirty-eight million, six hundred twenty-one thousand, five hundred four".