65450419171 has 2 divisors, whose sum is σ = 65450419172. Its totient is φ = 65450419170.

The previous prime is 65450419147. The next prime is 65450419183. The reversal of 65450419171 is 17191405456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65450419171 - 2²⁷ = 65316201443 is a prime.

It is not a weakly prime, because it can be changed into another prime (65450419471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32725209585 + 32725209586.

It is an arithmetic number, because the mean of its divisors is an integer number (32725209586).

Almost surely, 2^65450419171 is an apocalyptic number.

65450419171 is a deficient number, since it is larger than the sum of its proper divisors (1).

65450419171 is an equidigital number, since it uses as much as digits as its factorization.

65450419171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 65450419171 in words is "sixty-five billion, four hundred fifty million, four hundred nineteen thousand, one hundred seventy-one".