38561544173 has 2 divisors, whose sum is σ = 38561544174. Its totient is φ = 38561544172.

The previous prime is 38561544143. The next prime is 38561544253. The reversal of 38561544173 is 37144516583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23752357924 + 14809186249 = 154118^2 + 121693^2 .

It is a cyclic number.

It is not a de Polignac number, because 38561544173 - 2¹⁴ = 38561527789 is a prime.

It is a super-4 number, since 4×38561544173⁴ (a number of 43 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38561544113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19280772086 + 19280772087.

It is an arithmetic number, because the mean of its divisors is an integer number (19280772087).

Almost surely, 2^38561544173 is an apocalyptic number.

It is an amenable number.

38561544173 is a deficient number, since it is larger than the sum of its proper divisors (1).

38561544173 is an equidigital number, since it uses as much as digits as its factorization.

38561544173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 47.

The spelling of 38561544173 in words is "thirty-eight billion, five hundred sixty-one million, five hundred forty-four thousand, one hundred seventy-three".