2669396771 has 4 divisors (see below), whose sum is σ = 2695826544. Its totient is φ = 2642967000.

The previous prime is 2669396761. The next prime is 2669396789. The reversal of 2669396771 is 1776939662.

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 2669396771 - 2¹⁴ = 2669380387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2669396711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13214735 + ... + 13214936.

It is an arithmetic number, because the mean of its divisors is an integer number (673956636).

Almost surely, 2^2669396771 is an apocalyptic number.

2669396771 is a deficient number, since it is larger than the sum of its proper divisors (26429773).

2669396771 is a wasteful number, since it uses less digits than its factorization.

2669396771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26429772.

The product of its digits is 5143824, while the sum is 56.

The square root of 2669396771 is about 51666.2053086928. The cubic root of 2669396771 is about 1387.1956244496.

The spelling of 2669396771 in words is "two billion, six hundred sixty-nine million, three hundred ninety-six thousand, seven hundred seventy-one".