75845159989 has 2 divisors, whose sum is σ = 75845159990. Its totient is φ = 75845159988.

The previous prime is 75845159977. The next prime is 75845160029. The reversal of 75845159989 is 98995154857.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46681059364 + 29164100625 = 216058^2 + 170775^2 .

It is an emirp because it is prime and its reverse (98995154857) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75845159989 - 2⁹ = 75845159477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75845189989) 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, 37922579994 + 37922579995.

It is an arithmetic number, because the mean of its divisors is an integer number (37922579995).

Almost surely, 2^75845159989 is an apocalyptic number.

It is an amenable number.

75845159989 is a deficient number, since it is larger than the sum of its proper divisors (1).

75845159989 is an equidigital number, since it uses as much as digits as its factorization.

75845159989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296000, while the sum is 70.

The spelling of 75845159989 in words is "seventy-five billion, eight hundred forty-five million, one hundred fifty-nine thousand, nine hundred eighty-nine".