2465912065 has 4 divisors (see below), whose sum is σ = 2959094484. Its totient is φ = 1972729648.

The previous prime is 2465912047. The next prime is 2465912069. The reversal of 2465912065 is 5602195642.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5602195642 = 2 ⋅2801097821.

It can be written as a sum of positive squares in 2 ways, for example, as 944209984 + 1521702081 = 30728^2 + 39009^2 .

It is a cyclic number.

It is not a de Polignac number, because 2465912065 - 2⁷ = 2465911937 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2465912069) 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, 246591202 + ... + 246591211.

It is an arithmetic number, because the mean of its divisors is an integer number (739773621).

Almost surely, 2^2465912065 is an apocalyptic number.

It is an amenable number.

2465912065 is a deficient number, since it is larger than the sum of its proper divisors (493182419).

2465912065 is an equidigital number, since it uses as much as digits as its factorization.

2465912065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493182418.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 2465912065 is about 49657.9506725761. The cubic root of 2465912065 is about 1351.0119646037.

The spelling of 2465912065 in words is "two billion, four hundred sixty-five million, nine hundred twelve thousand, sixty-five".