276407992789 has 2 divisors, whose sum is σ = 276407992790. Its totient is φ = 276407992788.

The previous prime is 276407992787. The next prime is 276407992873. The reversal of 276407992789 is 987299704672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228264172900 + 48143819889 = 477770^2 + 219417^2 .

It is a cyclic number.

It is not a de Polignac number, because 276407992789 - 2¹ = 276407992787 is a prime.

Together with 276407992787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276407992787) 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 as a sum of consecutive naturals, namely, 138203996394 + 138203996395.

It is an arithmetic number, because the mean of its divisors is an integer number (138203996395).

Almost surely, 2^276407992789 is an apocalyptic number.

It is an amenable number.

276407992789 is a deficient number, since it is larger than the sum of its proper divisors (1).

276407992789 is an equidigital number, since it uses as much as digits as its factorization.

276407992789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192036096, while the sum is 70.

The spelling of 276407992789 in words is "two hundred seventy-six billion, four hundred seven million, nine hundred ninety-two thousand, seven hundred eighty-nine".