3345136565 has 4 divisors (see below), whose sum is σ = 4014163884. Its totient is φ = 2676109248.

The previous prime is 3345136549. The next prime is 3345136567. The reversal of 3345136565 is 5656315433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5656315433 = 41 ⋅137958913.

It can be written as a sum of positive squares in 2 ways, for example, as 2574852049 + 770284516 = 50743^2 + 27754^2 .

It is a cyclic number.

It is not a de Polignac number, because 3345136565 - 2⁴ = 3345136549 is a prime.

It is a super-2 number, since 2×3345136565² = 22379877276999998450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3345136567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334513652 + ... + 334513661.

It is an arithmetic number, because the mean of its divisors is an integer number (1003540971).

Almost surely, 2^3345136565 is an apocalyptic number.

It is an amenable number.

3345136565 is a deficient number, since it is larger than the sum of its proper divisors (669027319).

3345136565 is an equidigital number, since it uses as much as digits as its factorization.

3345136565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669027318.

The product of its digits is 486000, while the sum is 41.

The square root of 3345136565 is about 57837.1555749416. The cubic root of 3345136565 is about 1495.5626737751.

The spelling of 3345136565 in words is "three billion, three hundred forty-five million, one hundred thirty-six thousand, five hundred sixty-five".