917321137463 has 2 divisors, whose sum is σ = 917321137464. Its totient is φ = 917321137462.

The previous prime is 917321137457. The next prime is 917321137477. The reversal of 917321137463 is 364731123719.

It is a weak prime.

It is an emirp because it is prime and its reverse (364731123719) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 917321137463 - 2¹² = 917321133367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (917321137433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458660568731 + 458660568732.

It is an arithmetic number, because the mean of its divisors is an integer number (458660568732).

Almost surely, 2^917321137463 is an apocalyptic number.

917321137463 is a deficient number, since it is larger than the sum of its proper divisors (1).

917321137463 is an equidigital number, since it uses as much as digits as its factorization.

917321137463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 47.

The spelling of 917321137463 in words is "nine hundred seventeen billion, three hundred twenty-one million, one hundred thirty-seven thousand, four hundred sixty-three".