276983802009 has 6 divisors (see below), whose sum is σ = 400087714026. Its totient is φ = 184655868000.

The previous prime is 276983801993. The next prime is 276983802031. The reversal of 276983802009 is 900208389672.

It is a happy number.

276983802009 is a `hidden beast` number, since 276 + 98 + 3 + 80 + 200 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 245440976400 + 31542825609 = 495420^2 + 177603^2 .

It is not a de Polignac number, because 276983802009 - 2⁴ = 276983801993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (276983802409) 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 5 ways as a sum of consecutive naturals, for example, 15387988992 + ... + 15387989009.

It is an arithmetic number, because the mean of its divisors is an integer number (66681285671).

Almost surely, 2^276983802009 is an apocalyptic number.

It is an amenable number.

276983802009 is a deficient number, since it is larger than the sum of its proper divisors (123103912017).

276983802009 is a wasteful number, since it uses less digits than its factorization.

276983802009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30775978007 (or 30775978004 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 276983802009 in words is "two hundred seventy-six billion, nine hundred eighty-three million, eight hundred two thousand, nine".