2742718739 has 4 divisors (see below), whose sum is σ = 2809614360. Its totient is φ = 2675823120.

The previous prime is 2742718691. The next prime is 2742718753. The reversal of 2742718739 is 9378172472.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2742718739 - 2²⁸ = 2474283283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2742718339) 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, 33447749 + ... + 33447830.

It is an arithmetic number, because the mean of its divisors is an integer number (702403590).

Almost surely, 2^2742718739 is an apocalyptic number.

2742718739 is a deficient number, since it is larger than the sum of its proper divisors (66895621).

2742718739 is an equidigital number, since it uses as much as digits as its factorization.

2742718739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66895620.

The product of its digits is 1185408, while the sum is 50.

The square root of 2742718739 is about 52370.9722938194. The cubic root of 2742718739 is about 1399.7820645455.

The spelling of 2742718739 in words is "two billion, seven hundred forty-two million, seven hundred eighteen thousand, seven hundred thirty-nine".