1375266847 has 2 divisors, whose sum is σ = 1375266848. Its totient is φ = 1375266846.

The previous prime is 1375266817. The next prime is 1375266869. The reversal of 1375266847 is 7486625731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1375266847 - 2⁷ = 1375266719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1375266847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1375266817) 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, 687633423 + 687633424.

It is an arithmetic number, because the mean of its divisors is an integer number (687633424).

Almost surely, 2^1375266847 is an apocalyptic number.

1375266847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375266847 is an equidigital number, since it uses as much as digits as its factorization.

1375266847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 49.

The square root of 1375266847 is about 37084.5904251348. The cubic root of 1375266847 is about 1112.0619754699.

The spelling of 1375266847 in words is "one billion, three hundred seventy-five million, two hundred sixty-six thousand, eight hundred forty-seven".