276394989321 has 12 divisors (see below), whose sum is σ = 435531498480. Its totient is φ = 167512114680.

The previous prime is 276394989293. The next prime is 276394989361. The reversal of 276394989321 is 123989493672.

276394989321 is a `hidden beast` number, since 2 + 7 + 6 + 39 + 498 + 93 + 21 = 666.

It is not a de Polignac number, because 276394989321 - 2⁷ = 276394989193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (276394989361) 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, 1395934191 + ... + 1395934388.

It is an arithmetic number, because the mean of its divisors is an integer number (36294291540).

Almost surely, 2^276394989321 is an apocalyptic number.

It is an amenable number.

276394989321 is a deficient number, since it is larger than the sum of its proper divisors (159136509159).

276394989321 is a wasteful number, since it uses less digits than its factorization.

276394989321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791868596 (or 2791868593 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The spelling of 276394989321 in words is "two hundred seventy-six billion, three hundred ninety-four million, nine hundred eighty-nine thousand, three hundred twenty-one".