2745320005 has 4 divisors (see below), whose sum is σ = 3294384012. Its totient is φ = 2196256000.

The previous prime is 2745319981. The next prime is 2745320033. The reversal of 2745320005 is 5000235472.

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 1840152609 + 905167396 = 42897^2 + 30086^2 .

It is not a de Polignac number, because 2745320005 - 2¹³ = 2745311813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274531996 + ... + 274532005.

It is an arithmetic number, because the mean of its divisors is an integer number (823596003).

Almost surely, 2^2745320005 is an apocalyptic number.

It is an amenable number.

2745320005 is a deficient number, since it is larger than the sum of its proper divisors (549064007).

2745320005 is an equidigital number, since it uses as much as digits as its factorization.

2745320005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549064006.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 2745320005 is about 52395.8014062196. The cubic root of 2745320005 is about 1400.2244546587.

Adding to 2745320005 its reverse (5000235472), we get a palindrome (7745555477).

The spelling of 2745320005 in words is "two billion, seven hundred forty-five million, three hundred twenty thousand, five".