2745744313 has 8 divisors (see below), whose sum is σ = 2967051528. Its totient is φ = 2525879424.

The previous prime is 2745744299. The next prime is 2745744319. The reversal of 2745744313 is 3134475472.

It can be written as a sum of positive squares in 4 ways, for example, as 85969984 + 2659774329 = 9272^2 + 51573^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2745744313 is a prime.

It is a super-2 number, since 2×2745744313² = 15078223664743683938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2745744319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356620 + ... + 364237.

It is an arithmetic number, because the mean of its divisors is an integer number (370881441).

Almost surely, 2^2745744313 is an apocalyptic number.

It is an amenable number.

2745744313 is a deficient number, since it is larger than the sum of its proper divisors (221307215).

2745744313 is a wasteful number, since it uses less digits than its factorization.

2745744313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721163.

The product of its digits is 282240, while the sum is 40.

The square root of 2745744313 is about 52399.8503146717. The cubic root of 2745744313 is about 1400.2965890341.

The spelling of 2745744313 in words is "two billion, seven hundred forty-five million, seven hundred forty-four thousand, three hundred thirteen".