2085832465 has 4 divisors (see below), whose sum is σ = 2502998964. Its totient is φ = 1668665968.

The previous prime is 2085832451. The next prime is 2085832477. The reversal of 2085832465 is 5642385802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5642385802 = 2 ⋅2821192901.

It can be written as a sum of positive squares in 2 ways, for example, as 1267929664 + 817902801 = 35608^2 + 28599^2 .

It is a cyclic number.

It is not a de Polignac number, because 2085832465 - 2⁹ = 2085831953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208583242 + ... + 208583251.

It is an arithmetic number, because the mean of its divisors is an integer number (625749741).

Almost surely, 2^2085832465 is an apocalyptic number.

It is an amenable number.

2085832465 is a deficient number, since it is larger than the sum of its proper divisors (417166499).

2085832465 is an equidigital number, since it uses as much as digits as its factorization.

2085832465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417166498.

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 2085832465 is about 45670.9148693126. The cubic root of 2085832465 is about 1277.6928787630.

The spelling of 2085832465 in words is "two billion, eighty-five million, eight hundred thirty-two thousand, four hundred sixty-five".