2064659913 has 12 divisors (see below), whose sum is σ = 2983430580. Its totient is φ = 1375911936.

The previous prime is 2064659899. The next prime is 2064659917. The reversal of 2064659913 is 3199564602.

2064659913 is a `hidden beast` number, since 2 + 0 + 6 + 46 + 599 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1179716409 + 884943504 = 34347^2 + 29748^2 .

It is not a de Polignac number, because 2064659913 - 2²² = 2060465609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2064659917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18456 + ... + 66857.

It is an arithmetic number, because the mean of its divisors is an integer number (248619215).

Almost surely, 2^2064659913 is an apocalyptic number.

It is an amenable number.

2064659913 is a deficient number, since it is larger than the sum of its proper divisors (918770667).

2064659913 is a wasteful number, since it uses less digits than its factorization.

2064659913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88008 (or 88005 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 2064659913 is about 45438.5289484596. The cubic root of 2064659913 is about 1273.3550311002.

The spelling of 2064659913 in words is "two billion, sixty-four million, six hundred fifty-nine thousand, nine hundred thirteen".