2064605474844 has 432 divisors, whose sum is σ = 6253281216000. Its totient is φ = 572107979520.

The previous prime is 2064605474803. The next prime is 2064605474849. The reversal of 2064605474844 is 4484745064602.

2064605474844 is a `hidden beast` number, since 2 + 0 + 64 + 60 + 5 + 47 + 484 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064605474849) 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 143 ways as a sum of consecutive naturals, for example, 299258107 + ... + 299265005.

It is an arithmetic number, because the mean of its divisors is an integer number (14475188000).

Almost surely, 2^{2064605474844} 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 2064605474844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3126640608000).

2064605474844 is an abundant number, since it is smaller than the sum of its proper divisors (4188675741156).

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

2064605474844 is a wasteful number, since it uses less digits than its factorization.

2064605474844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086 (or 7070 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 54.

The spelling of 2064605474844 in words is "two trillion, sixty-four billion, six hundred five million, four hundred seventy-four thousand, eight hundred forty-four".