248811170189 has 2 divisors, whose sum is σ = 248811170190. Its totient is φ = 248811170188.

The previous prime is 248811170147. The next prime is 248811170263. The reversal of 248811170189 is 981071118842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143012548900 + 105798621289 = 378170^2 + 325267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248811170189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248811100189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124405585094 + 124405585095.

It is an arithmetic number, because the mean of its divisors is an integer number (124405585095).

Almost surely, 2^248811170189 is an apocalyptic number.

It is an amenable number.

248811170189 is a deficient number, since it is larger than the sum of its proper divisors (1).

248811170189 is an equidigital number, since it uses as much as digits as its factorization.

248811170189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 50.

The spelling of 248811170189 in words is "two hundred forty-eight billion, eight hundred eleven million, one hundred seventy thousand, one hundred eighty-nine".