2065374559 has 4 divisors (see below), whose sum is σ = 2066224504. Its totient is φ = 2064524616.

The previous prime is 2065374551. The next prime is 2065374569. The reversal of 2065374559 is 9554735602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9554735602 = 2 ⋅4777367801.

It is a cyclic number.

It is not a de Polignac number, because 2065374559 - 2³ = 2065374551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065374551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421317 + ... + 426190.

It is an arithmetic number, because the mean of its divisors is an integer number (516556126).

Almost surely, 2^2065374559 is an apocalyptic number.

2065374559 is a deficient number, since it is larger than the sum of its proper divisors (849945).

2065374559 is an equidigital number, since it uses as much as digits as its factorization.

2065374559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849944.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The square root of 2065374559 is about 45446.3921450317. The cubic root of 2065374559 is about 1273.5019306938.

The spelling of 2065374559 in words is "two billion, sixty-five million, three hundred seventy-four thousand, five hundred fifty-nine".