1316274847 has 2 divisors, whose sum is σ = 1316274848. Its totient is φ = 1316274846.

The previous prime is 1316274833. The next prime is 1316274871. The reversal of 1316274847 is 7484726131.

It is a weak prime.

It is an emirp because it is prime and its reverse (7484726131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1316274847 - 2¹⁹ = 1315750559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311274847) 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, 658137423 + 658137424.

It is an arithmetic number, because the mean of its divisors is an integer number (658137424).

Almost surely, 2^1316274847 is an apocalyptic number.

1316274847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316274847 is an equidigital number, since it uses as much as digits as its factorization.

1316274847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 43.

The square root of 1316274847 is about 36280.5022980664. The cubic root of 1316274847 is about 1095.9284320109.

The spelling of 1316274847 in words is "one billion, three hundred sixteen million, two hundred seventy-four thousand, eight hundred forty-seven".