2064091899584 has 168 divisors, whose sum is σ = 4994531804160. Its totient is φ = 838113868800.

The previous prime is 2064091899533. The next prime is 2064091899589. The reversal of 2064091899584 is 4859981904602.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2064091899584.

It is not an unprimeable number, because it can be changed into a prime (2064091899589) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3408437 + ... + 3968075.

Almost surely, 2^{2064091899584} 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 2064091899584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2497265902080).

2064091899584 is an abundant number, since it is smaller than the sum of its proper divisors (2930439904576).

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

2064091899584 is a wasteful number, since it uses less digits than its factorization.

2064091899584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559719 (or 559696 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 65.

The spelling of 2064091899584 in words is "two trillion, sixty-four billion, ninety-one million, eight hundred ninety-nine thousand, five hundred eighty-four".