2745273365 has 4 divisors (see below), whose sum is σ = 3294328044. Its totient is φ = 2196218688.

The previous prime is 2745273361. The next prime is 2745273397. The reversal of 2745273365 is 5633725472.

It is a happy number.

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 1007300644 + 1737972721 = 31738^2 + 41689^2 .

It is a cyclic number.

It is not a de Polignac number, because 2745273365 - 2² = 2745273361 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 (2745273361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274527332 + ... + 274527341.

It is an arithmetic number, because the mean of its divisors is an integer number (823582011).

Almost surely, 2^2745273365 is an apocalyptic number.

It is an amenable number.

2745273365 is a deficient number, since it is larger than the sum of its proper divisors (549054679).

2745273365 is an equidigital number, since it uses as much as digits as its factorization.

2745273365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549054678.

The product of its digits is 1058400, while the sum is 44.

The square root of 2745273365 is about 52395.3563304994. The cubic root of 2745273365 is about 1400.2165251838.

The spelling of 2745273365 in words is "two billion, seven hundred forty-five million, two hundred seventy-three thousand, three hundred sixty-five".