276220686849 has 16 divisors (see below), whose sum is σ = 389976057792. Its totient is φ = 173307189248.

The previous prime is 276220686811. The next prime is 276220686851. The reversal of 276220686849 is 948686022672.

It is not a de Polignac number, because 276220686849 - 2²⁴ = 276203909633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 276220686792 and 276220686801.

It is not an unprimeable number, because it can be changed into a prime (276220686349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1162417 + ... + 1379729.

It is an arithmetic number, because the mean of its divisors is an integer number (24373503612).

Almost surely, 2^276220686849 is an apocalyptic number.

It is an amenable number.

276220686849 is a deficient number, since it is larger than the sum of its proper divisors (113755370943).

276220686849 is a wasteful number, since it uses less digits than its factorization.

276220686849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242256.

The product of its (nonzero) digits is 27869184, while the sum is 60.

The spelling of 276220686849 in words is "two hundred seventy-six billion, two hundred twenty million, six hundred eighty-six thousand, eight hundred forty-nine".