2064659328 has 128 divisors (see below), whose sum is σ = 6118041600. Its totient is φ = 685463040.

The previous prime is 2064659309. The next prime is 2064659347. The reversal of 2064659328 is 8239564602.

It is an interprime number because it is at equal distance from previous prime (2064659309) and next prime (2064659347).

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 976993 + ... + 979103.

It is an arithmetic number, because the mean of its divisors is an integer number (47797200).

Almost surely, 2^2064659328 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 2064659328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3059020800).

2064659328 is an abundant number, since it is smaller than the sum of its proper divisors (4053382272).

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

2064659328 is a wasteful number, since it uses less digits than its factorization.

2064659328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417 (or 2399 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 2064659328 is about 45438.5225111909. The cubic root of 2064659328 is about 1273.3549108362.

The spelling of 2064659328 in words is "two billion, sixty-four million, six hundred fifty-nine thousand, three hundred twenty-eight".