2740742716249 has 4 divisors (see below), whose sum is σ = 2750637094564. Its totient is φ = 2730848337936.

The previous prime is 2740742716219. The next prime is 2740742716259. The reversal of 2740742716249 is 9426172470472.

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 177038977600 + 2563703738649 = 420760^2 + 1601157^2 .

It is a cyclic number.

It is not a de Polignac number, because 2740742716249 - 2¹³ = 2740742708057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2740742716249.

It is not an unprimeable number, because it can be changed into a prime (2740742716219) 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, 4947188742 + ... + 4947189295.

It is an arithmetic number, because the mean of its divisors is an integer number (687659273641).

Almost surely, 2^{2740742716249} is an apocalyptic number.

It is an amenable number.

2740742716249 is a deficient number, since it is larger than the sum of its proper divisors (9894378315).

2740742716249 is an equidigital number, since it uses as much as digits as its factorization.

2740742716249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9894378314.

The product of its (nonzero) digits is 9483264, while the sum is 55.

The spelling of 2740742716249 in words is "two trillion, seven hundred forty billion, seven hundred forty-two million, seven hundred sixteen thousand, two hundred forty-nine".