2065054465 has 4 divisors (see below), whose sum is σ = 2478065364. Its totient is φ = 1652043568.

The previous prime is 2065054427. The next prime is 2065054469. The reversal of 2065054465 is 5644505602.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1442252529 + 622801936 = 37977^2 + 24956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065054465 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2065054469) 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, 206505442 + ... + 206505451.

It is an arithmetic number, because the mean of its divisors is an integer number (619516341).

Almost surely, 2^2065054465 is an apocalyptic number.

It is an amenable number.

2065054465 is a deficient number, since it is larger than the sum of its proper divisors (413010899).

2065054465 is an equidigital number, since it uses as much as digits as its factorization.

2065054465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413010898.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 2065054465 is about 45442.8703428822. The cubic root of 2065054465 is about 1273.4361377225.

The spelling of 2065054465 in words is "two billion, sixty-five million, fifty-four thousand, four hundred sixty-five".