47361320173 has 2 divisors, whose sum is σ = 47361320174. Its totient is φ = 47361320172.

The previous prime is 47361320143. The next prime is 47361320189. The reversal of 47361320173 is 37102316374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44926193764 + 2435126409 = 211958^2 + 49347^2 .

It is a cyclic number.

It is not a de Polignac number, because 47361320173 - 2⁹ = 47361319661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47361320143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23680660086 + 23680660087.

It is an arithmetic number, because the mean of its divisors is an integer number (23680660087).

Almost surely, 2^47361320173 is an apocalyptic number.

It is an amenable number.

47361320173 is a deficient number, since it is larger than the sum of its proper divisors (1).

47361320173 is an equidigital number, since it uses as much as digits as its factorization.

47361320173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 47361320173 in words is "forty-seven billion, three hundred sixty-one million, three hundred twenty thousand, one hundred seventy-three".