64703411712 has 480 divisors, whose sum is σ = 203761958400. Its totient is φ = 20469915648.

The previous prime is 64703411711. The next prime is 64703411771. The reversal of 64703411712 is 21711430746.

64703411712 is a `hidden beast` number, since 647 + 0 + 3 + 4 + 1 + 1 + 7 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64703411711) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285036943 + ... + 285037169.

It is an arithmetic number, because the mean of its divisors is an integer number (424504080).

Almost surely, 2^64703411712 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 64703411712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101880979200).

64703411712 is an abundant number, since it is smaller than the sum of its proper divisors (139058546688).

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

64703411712 is an equidigital number, since it uses as much as digits as its factorization.

64703411712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 64703411712 in words is "sixty-four billion, seven hundred three million, four hundred eleven thousand, seven hundred twelve".