2669789 has 2 divisors, whose sum is σ = 2669790. Its totient is φ = 2669788.

The previous prime is 2669767. The next prime is 2669801. The reversal of 2669789 is 9879662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2402500 + 267289 = 1550^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 2669789 - 2¹⁶ = 2604253 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2669729) 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 as a sum of consecutive naturals, namely, 1334894 + 1334895.

It is an arithmetic number, because the mean of its divisors is an integer number (1334895).

2^2669789 is an apocalyptic number.

It is an amenable number.

2669789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2669789 is an equidigital number, since it uses as much as digits as its factorization.

2669789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 2669789 is about 1633.9488976097. The cubic root of 2669789 is about 138.7263563857.

The spelling of 2669789 in words is "two million, six hundred sixty-nine thousand, seven hundred eighty-nine".