9438019464 has 32 divisors (see below), whose sum is σ = 23599440000. Its totient is φ = 3145420992.

The previous prime is 9438019453. The next prime is 9438019469. The reversal of 9438019464 is 4649108349.

It is a happy number.

It is a super-2 number, since 2×9438019464² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9438019469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106462 + ... + 173810.

It is an arithmetic number, because the mean of its divisors is an integer number (737482500).

Almost surely, 2^9438019464 is an apocalyptic number.

It is an amenable number.

9438019464 is an abundant number, since it is smaller than the sum of its proper divisors (14161420536).

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

9438019464 is a wasteful number, since it uses less digits than its factorization.

9438019464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73197 (or 73193 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 9438019464 is about 97149.4697051919. The cubic root of 9438019464 is about 2113.2957982323.

The spelling of 9438019464 in words is "nine billion, four hundred thirty-eight million, nineteen thousand, four hundred sixty-four".