2869066669 has 12 divisors (see below), whose sum is σ = 3359893500. Its totient is φ = 2442689088.

The previous prime is 2869066663. The next prime is 2869066699. The reversal of 2869066669 is 9666609682.

It can be written as a sum of positive squares in 2 ways, for example, as 918696100 + 1950370569 = 30310^2 + 44163^2 .

It is not a de Polignac number, because 2869066669 - 2³ = 2869066661 is a prime.

It is a super-2 number, since 2×2869066669² = 16463087102333511122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2869066661) 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 11 ways as a sum of consecutive naturals, for example, 189184 + ... + 203785.

It is an arithmetic number, because the mean of its divisors is an integer number (279991125).

Almost surely, 2^2869066669 is an apocalyptic number.

It is an amenable number.

2869066669 is a deficient number, since it is larger than the sum of its proper divisors (490826831).

2869066669 is a wasteful number, since it uses less digits than its factorization.

2869066669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393132 (or 393125 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 58.

The square root of 2869066669 is about 53563.6693011224. The cubic root of 2869066669 is about 1420.9546362928.

It can be divided in two parts, 28690 and 66669, that added together give a palindrome (95359).

The spelling of 2869066669 in words is "two billion, eight hundred sixty-nine million, sixty-six thousand, six hundred sixty-nine".