2065422461 has 4 divisors (see below), whose sum is σ = 2132049024. Its totient is φ = 1998795900.

The previous prime is 2065422451. The next prime is 2065422479. The reversal of 2065422461 is 1642245602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065422461 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 (2065422421) 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, 33313235 + ... + 33313296.

It is an arithmetic number, because the mean of its divisors is an integer number (533012256).

Almost surely, 2^2065422461 is an apocalyptic number.

It is an amenable number.

2065422461 is a deficient number, since it is larger than the sum of its proper divisors (66626563).

2065422461 is an equidigital number, since it uses as much as digits as its factorization.

2065422461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66626562.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 2065422461 is about 45446.9191585084. The cubic root of 2065422461 is about 1273.5117760134.

The spelling of 2065422461 in words is "two billion, sixty-five million, four hundred twenty-two thousand, four hundred sixty-one".