64548929850 has 96 divisors (see below), whose sum is σ = 162268614144. Its totient is φ = 16978526400.

The previous prime is 64548929849. The next prime is 64548929857. The reversal of 64548929850 is 5892984546.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (64548929857) 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 47 ways as a sum of consecutive naturals, for example, 8499555 + ... + 8507145.

It is an arithmetic number, because the mean of its divisors is an integer number (1690298064).

Almost surely, 2^64548929850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64548929850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81134307072).

64548929850 is an abundant number, since it is smaller than the sum of its proper divisors (97719684294).

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

64548929850 is a wasteful number, since it uses less digits than its factorization.

64548929850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372 (or 8367 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 60.

The spelling of 64548929850 in words is "sixty-four billion, five hundred forty-eight million, nine hundred twenty-nine thousand, eight hundred fifty".