2740345045 has 4 divisors (see below), whose sum is σ = 3288414060. Its totient is φ = 2192276032.

The previous prime is 2740345043. The next prime is 2740345061. The reversal of 2740345045 is 5405430472.

2740345045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1800983844 + 939361201 = 42438^2 + 30649^2 .

It is a cyclic number.

It is not a de Polignac number, because 2740345045 - 2¹ = 2740345043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2740345045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740345043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274034500 + ... + 274034509.

It is an arithmetic number, because the mean of its divisors is an integer number (822103515).

Almost surely, 2^2740345045 is an apocalyptic number.

It is an amenable number.

2740345045 is a deficient number, since it is larger than the sum of its proper divisors (548069015).

2740345045 is an equidigital number, since it uses as much as digits as its factorization.

2740345045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548069014.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 2740345045 is about 52348.3050823998. The cubic root of 2740345045 is about 1399.3781328268.

The spelling of 2740345045 in words is "two billion, seven hundred forty million, three hundred forty-five thousand, forty-five".