2669771327689 has 8 divisors (see below), whose sum is σ = 2827406566440. Its totient is φ = 2512201629696.

The previous prime is 2669771327659. The next prime is 2669771327749. The reversal of 2669771327689 is 9867231779662.

It can be written as a sum of positive squares in 4 ways, for example, as 416950444089 + 2252820883600 = 645717^2 + 1500940^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2669771327689 - 2²⁷ = 2669637109961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2669771327659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16301304 + ... + 16464265.

It is an arithmetic number, because the mean of its divisors is an integer number (353425820805).

Almost surely, 2^{2669771327689} is an apocalyptic number.

It is an amenable number.

2669771327689 is a deficient number, since it is larger than the sum of its proper divisors (157635238751).

2669771327689 is a wasteful number, since it uses less digits than its factorization.

2669771327689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32770379.

The product of its digits is 576108288, while the sum is 73.

The spelling of 2669771327689 in words is "two trillion, six hundred sixty-nine billion, seven hundred seventy-one million, three hundred twenty-seven thousand, six hundred eighty-nine".