63544212464171 has 2 divisors, whose sum is σ = 63544212464172. Its totient is φ = 63544212464170.

The previous prime is 63544212464113. The next prime is 63544212464273. The reversal of 63544212464171 is 17146421244536.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63544212464171 - 2¹⁴ = 63544212447787 is a prime.

It is not a weakly prime, because it can be changed into another prime (63544212964171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31772106232085 + 31772106232086.

It is an arithmetic number, because the mean of its divisors is an integer number (31772106232086).

Almost surely, 2^{63544212464171} is an apocalyptic number.

63544212464171 is a deficient number, since it is larger than the sum of its proper divisors (1).

63544212464171 is an equidigital number, since it uses as much as digits as its factorization.

63544212464171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3870720, while the sum is 50.

The spelling of 63544212464171 in words is "sixty-three trillion, five hundred forty-four billion, two hundred twelve million, four hundred sixty-four thousand, one hundred seventy-one".