276645146746459 has 2 divisors, whose sum is σ = 276645146746460. Its totient is φ = 276645146746458.

The previous prime is 276645146746357. The next prime is 276645146746477. The reversal of 276645146746459 is 954647641546672.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276645146746459 is a prime.

It is not a weakly prime, because it can be changed into another prime (276645146746499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138322573373229 + 138322573373230.

It is an arithmetic number, because the mean of its divisors is an integer number (138322573373230).

Almost surely, 2^{276645146746459} is an apocalyptic number.

276645146746459 is a deficient number, since it is larger than the sum of its proper divisors (1).

276645146746459 is an equidigital number, since it uses as much as digits as its factorization.

276645146746459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7315660800, while the sum is 76.

The spelling of 276645146746459 in words is "two hundred seventy-six trillion, six hundred forty-five billion, one hundred forty-six million, seven hundred forty-six thousand, four hundred fifty-nine".