2714641778689 has 3 divisors (see below), whose sum is σ = 2714643426307. Its totient is φ = 2714640131072.

The previous prime is 2714641778659. The next prime is 2714641778711. The reversal of 2714641778689 is 9868771464172.

The square root of 2714641778689 is 1647617.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2167917588225 + 546724190464 = 1472385^2 + 739408^2 .

It is not a de Polignac number, because 2714641778689 - 2³⁵ = 2680282040321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2714641778659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 823809 + ... + 2471425.

Almost surely, 2^{2714641778689} is an apocalyptic number.

2714641778689 is the 1647617-th square number.

2714641778689 is the 823809-th centered octagonal number.

It is an amenable number.

2714641778689 is a deficient number, since it is larger than the sum of its proper divisors (1647618).

2714641778689 is an frugal number, since it uses more digits than its factorization.

2714641778689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3295234 (or 1647617 counting only the distinct ones).

The product of its digits is 227598336, while the sum is 70.

The spelling of 2714641778689 in words is "two trillion, seven hundred fourteen billion, six hundred forty-one million, seven hundred seventy-eight thousand, six hundred eighty-nine".