6325738638 has 16 divisors (see below), whose sum is σ = 12722158080. Its totient is φ = 2096799416.

The previous prime is 6325738637. The next prime is 6325738649. The reversal of 6325738638 is 8368375236.

6325738638 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×6325738638³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6325738637) 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, 2943870 + ... + 2946017.

It is an arithmetic number, because the mean of its divisors is an integer number (795134880).

Almost surely, 2^6325738638 is an apocalyptic number.

6325738638 is an abundant number, since it is smaller than the sum of its proper divisors (6396419442).

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

6325738638 is a wasteful number, since it uses less digits than its factorization.

6325738638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5890071.

The product of its digits is 4354560, while the sum is 51.

The square root of 6325738638 is about 79534.5122446853. The cubic root of 6325738638 is about 1849.4265218330.

The spelling of 6325738638 in words is "six billion, three hundred twenty-five million, seven hundred thirty-eight thousand, six hundred thirty-eight".