917253142027 has 2 divisors, whose sum is σ = 917253142028. Its totient is φ = 917253142026.

The previous prime is 917253141989. The next prime is 917253142051. The reversal of 917253142027 is 720241352719.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-917253142027 is a prime.

It is not a weakly prime, because it can be changed into another prime (917253146027) 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, 458626571013 + 458626571014.

It is an arithmetic number, because the mean of its divisors is an integer number (458626571014).

Almost surely, 2^917253142027 is an apocalyptic number.

917253142027 is a deficient number, since it is larger than the sum of its proper divisors (1).

917253142027 is an equidigital number, since it uses as much as digits as its factorization.

917253142027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 917253142027 in words is "nine hundred seventeen billion, two hundred fifty-three million, one hundred forty-two thousand, twenty-seven".