64051420171 has 2 divisors, whose sum is σ = 64051420172. Its totient is φ = 64051420170.

The previous prime is 64051420127. The next prime is 64051420189. The reversal of 64051420171 is 17102415046.

64051420171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64051420171 - 2¹⁵ = 64051387403 is a prime.

It is not a weakly prime, because it can be changed into another prime (64051420571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32025710085 + 32025710086.

It is an arithmetic number, because the mean of its divisors is an integer number (32025710086).

Almost surely, 2^64051420171 is an apocalyptic number.

64051420171 is a deficient number, since it is larger than the sum of its proper divisors (1).

64051420171 is an equidigital number, since it uses as much as digits as its factorization.

64051420171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 64051420171 in words is "sixty-four billion, fifty-one million, four hundred twenty thousand, one hundred seventy-one".