2064559565 has 16 divisors (see below), whose sum is σ = 2521368000. Its totient is φ = 1622426112.

The previous prime is 2064559489. The next prime is 2064559573. The reversal of 2064559565 is 5659554602.

It is a cyclic number.

It is not a de Polignac number, because 2064559565 - 2¹⁸ = 2064297421 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 763586 + ... + 766284.

It is an arithmetic number, because the mean of its divisors is an integer number (157585500).

Almost surely, 2^2064559565 is an apocalyptic number.

It is an amenable number.

2064559565 is a deficient number, since it is larger than the sum of its proper divisors (456808435).

2064559565 is a wasteful number, since it uses less digits than its factorization.

2064559565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The square root of 2064559565 is about 45437.4247179569. The cubic root of 2064559565 is about 1273.3344012780.

The spelling of 2064559565 in words is "two billion, sixty-four million, five hundred fifty-nine thousand, five hundred sixty-five".