64326110538 has 16 divisors (see below), whose sum is σ = 128760619680. Its totient is φ = 21423970416.

The previous prime is 64326110533. The next prime is 64326110539. The reversal of 64326110538 is 83501162346.

64326110538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64326110496 and 64326110505.

It is not an unprimeable number, because it can be changed into a prime (64326110533) 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, 4508893 + ... + 4523136.

It is an arithmetic number, because the mean of its divisors is an integer number (8047538730).

Almost surely, 2^64326110538 is an apocalyptic number.

64326110538 is an abundant number, since it is smaller than the sum of its proper divisors (64434509142).

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

64326110538 is a wasteful number, since it uses less digits than its factorization.

64326110538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9033221.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 64326110538 in words is "sixty-four billion, three hundred twenty-six million, one hundred ten thousand, five hundred thirty-eight".