64892473445124 has 384 divisors, whose sum is σ = 195229731164160. Its totient is φ = 18492348211200.

The previous prime is 64892473445113. The next prime is 64892473445143. The reversal of 64892473445124 is 42154437429846.

64892473445124 is a `hidden beast` number, since 6 + 4 + 8 + 9 + 2 + 4 + 73 + 44 + 512 + 4 = 666.

It is a super-4 number, since 4×64892473445124⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 97903372 + ... + 98563964.

It is an arithmetic number, because the mean of its divisors is an integer number (508410758240).

Almost surely, 2^{64892473445124} 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 64892473445124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97614865582080).

64892473445124 is an abundant number, since it is smaller than the sum of its proper divisors (130337257719036).

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

64892473445124 is a wasteful number, since it uses less digits than its factorization.

64892473445124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660748 (or 660740 counting only the distinct ones).

The product of its digits is 185794560, while the sum is 63.

The spelling of 64892473445124 in words is "sixty-four trillion, eight hundred ninety-two billion, four hundred seventy-three million, four hundred forty-five thousand, one hundred twenty-four".