2740291613 has 4 divisors (see below), whose sum is σ = 2768542140. Its totient is φ = 2712041088.

The previous prime is 2740291579. The next prime is 2740291627. The reversal of 2740291613 is 3161920472.

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 589372729 + 2150918884 = 24277^2 + 46378^2 .

It is a cyclic number.

It is not a de Polignac number, because 2740291613 - 2¹⁴ = 2740275229 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 (2740291633) 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, 14125118 + ... + 14125311.

It is an arithmetic number, because the mean of its divisors is an integer number (692135535).

Almost surely, 2^2740291613 is an apocalyptic number.

It is an amenable number.

2740291613 is a deficient number, since it is larger than the sum of its proper divisors (28250527).

2740291613 is an equidigital number, since it uses as much as digits as its factorization.

2740291613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28250526.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2740291613 is about 52347.7947291001. The cubic root of 2740291613 is about 1399.3690376147.

The spelling of 2740291613 in words is "two billion, seven hundred forty million, two hundred ninety-one thousand, six hundred thirteen".