92171987449559 has 2 divisors, whose sum is σ = 92171987449560. Its totient is φ = 92171987449558.

The previous prime is 92171987449459. The next prime is 92171987449573. The reversal of 92171987449559 is 95594478917129.

It is a strong prime.

It is an emirp because it is prime and its reverse (95594478917129) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 92171987449559 - 2¹⁶ = 92171987384023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92171987449159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46085993724779 + 46085993724780.

It is an arithmetic number, because the mean of its divisors is an integer number (46085993724780).

Almost surely, 2^{92171987449559} is an apocalyptic number.

92171987449559 is a deficient number, since it is larger than the sum of its proper divisors (1).

92171987449559 is an equidigital number, since it uses as much as digits as its factorization.

92171987449559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2057529600, while the sum is 80.

The spelling of 92171987449559 in words is "ninety-two trillion, one hundred seventy-one billion, nine hundred eighty-seven million, four hundred forty-nine thousand, five hundred fifty-nine".