2745007477165 has 4 divisors (see below), whose sum is σ = 3294008972604. Its totient is φ = 2196005981728.

The previous prime is 2745007477159. The next prime is 2745007477183. The reversal of 2745007477165 is 5617747005472.

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 1519356994884 + 1225650482281 = 1232622^2 + 1107091^2 .

It is a cyclic number.

It is not a de Polignac number, because 2745007477165 - 2⁴¹ = 545984221613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274500747712 + ... + 274500747721.

It is an arithmetic number, because the mean of its divisors is an integer number (823502243151).

Almost surely, 2^{2745007477165} is an apocalyptic number.

It is an amenable number.

2745007477165 is a deficient number, since it is larger than the sum of its proper divisors (549001495439).

2745007477165 is an equidigital number, since it uses as much as digits as its factorization.

2745007477165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549001495438.

The product of its (nonzero) digits is 11524800, while the sum is 55.

The spelling of 2745007477165 in words is "two trillion, seven hundred forty-five billion, seven million, four hundred seventy-seven thousand, one hundred sixty-five".