2064593779 has 4 divisors (see below), whose sum is σ = 2076956784. Its totient is φ = 2052230776.

The previous prime is 2064593777. The next prime is 2064593809. The reversal of 2064593779 is 9773954602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2064593779 - 2¹ = 2064593777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2064593777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6181252 + ... + 6181585.

It is an arithmetic number, because the mean of its divisors is an integer number (519239196).

Almost surely, 2^2064593779 is an apocalyptic number.

2064593779 is a deficient number, since it is larger than the sum of its proper divisors (12363005).

2064593779 is a wasteful number, since it uses less digits than its factorization.

2064593779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12363004.

The product of its (nonzero) digits is 2857680, while the sum is 52.

The square root of 2064593779 is about 45437.8012122066. The cubic root of 2064593779 is about 1273.3414351628.

The spelling of 2064593779 in words is "two billion, sixty-four million, five hundred ninety-three thousand, seven hundred seventy-nine".