2064128715 has 36 divisors (see below), whose sum is σ = 3932658912. Its totient is φ = 1000787040.

The previous prime is 2064128711. The next prime is 2064128771. The reversal of 2064128715 is 5178214602.

2064128715 is a `hidden beast` number, since 2 + 0 + 641 + 2 + 8 + 7 + 1 + 5 = 666.

It is not a de Polignac number, because 2064128715 - 2² = 2064128711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2064128715.

It is not an unprimeable number, because it can be changed into a prime (2064128711) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 184099 + ... + 194988.

Almost surely, 2^2064128715 is an apocalyptic number.

2064128715 is a deficient number, since it is larger than the sum of its proper divisors (1868530197).

2064128715 is a wasteful number, since it uses less digits than its factorization.

2064128715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379120 (or 379106 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2064128715 is about 45432.6833347976. The cubic root of 2064128715 is about 1273.2458183338.

The spelling of 2064128715 in words is "two billion, sixty-four million, one hundred twenty-eight thousand, seven hundred fifteen".