2065961759 has 4 divisors (see below), whose sum is σ = 2100978120. Its totient is φ = 2030945400.

The previous prime is 2065961747. The next prime is 2065961761. The reversal of 2065961759 is 9571695602.

It is a happy number.

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 2065961759 - 2⁸ = 2065961503 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 (2065967759) 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, 17508092 + ... + 17508209.

It is an arithmetic number, because the mean of its divisors is an integer number (525244530).

Almost surely, 2^2065961759 is an apocalyptic number.

2065961759 is a deficient number, since it is larger than the sum of its proper divisors (35016361).

2065961759 is an equidigital number, since it uses as much as digits as its factorization.

2065961759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35016360.

The product of its (nonzero) digits is 1020600, while the sum is 50.

The square root of 2065961759 is about 45452.8520447287. The cubic root of 2065961759 is about 1273.6226076712.

The spelling of 2065961759 in words is "two billion, sixty-five million, nine hundred sixty-one thousand, seven hundred fifty-nine".