64291910592 has 672 divisors, whose sum is σ = 227987961600. Its totient is φ = 15801827328.

The previous prime is 64291910563. The next prime is 64291910597. The reversal of 64291910592 is 29501919246.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64291910597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 169635459 + ... + 169635837.

It is an arithmetic number, because the mean of its divisors is an integer number (339267800).

Almost surely, 2^64291910592 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 64291910592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113993980800).

64291910592 is an abundant number, since it is smaller than the sum of its proper divisors (163696051008).

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

64291910592 is a wasteful number, since it uses less digits than its factorization.

64291910592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 48.

The spelling of 64291910592 in words is "sixty-four billion, two hundred ninety-one million, nine hundred ten thousand, five hundred ninety-two".