64363532537472 has 512 divisors, whose sum is σ = 200458063872000. Its totient is φ = 17919396937728.

The previous prime is 64363532537459. The next prime is 64363532537489. The reversal of 64363532537472 is 27473523536346.

64363532537472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11207298633 + ... + 11207304375.

It is an arithmetic number, because the mean of its divisors is an integer number (391519656000).

Almost surely, 2^{64363532537472} 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 64363532537472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100229031936000).

64363532537472 is an abundant number, since it is smaller than the sum of its proper divisors (136094531334528).

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

64363532537472 is a wasteful number, since it uses less digits than its factorization.

64363532537472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6528 (or 6516 counting only the distinct ones).

The product of its digits is 228614400, while the sum is 60.

The spelling of 64363532537472 in words is "sixty-four trillion, three hundred sixty-three billion, five hundred thirty-two million, five hundred thirty-seven thousand, four hundred seventy-two".