276689676169 has 9 divisors (see below), whose sum is σ = 278024242197. Its totient is φ = 275361493344.

The previous prime is 276689676157. The next prime is 276689676181. The reversal of 276689676169 is 961676986672.

The square root of 276689676169 is 526013.

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

It is an interprime number because it is at equal distance from previous prime (276689676157) and next prime (276689676181).

It can be written as a sum of positive squares in 4 ways, for example, as 61382540025 + 215307136144 = 247755^2 + 464012^2 .

It is not a de Polignac number, because 276689676169 - 2⁹ = 276689675657 is a prime.

It is a super-2 number, since 2×276689676169² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276689676139) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 120455829 + ... + 120458125.

Almost surely, 2^276689676169 is an apocalyptic number.

276689676169 is the 526013-rd square number.

276689676169 is the 263007-th centered octagonal number.

It is an amenable number.

276689676169 is a deficient number, since it is larger than the sum of its proper divisors (1334566028).

276689676169 is an frugal number, since it uses more digits than its factorization.

276689676169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052 (or 2526 counting only the distinct ones).

The product of its digits is 493807104, while the sum is 73.

The spelling of 276689676169 in words is "two hundred seventy-six billion, six hundred eighty-nine million, six hundred seventy-six thousand, one hundred sixty-nine".