65445414163 has 2 divisors, whose sum is σ = 65445414164. Its totient is φ = 65445414162.

The previous prime is 65445414143. The next prime is 65445414173. The reversal of 65445414163 is 36141454456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65445414163 - 2¹⁷ = 65445283091 is a prime.

It is not a weakly prime, because it can be changed into another prime (65445414143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32722707081 + 32722707082.

It is an arithmetic number, because the mean of its divisors is an integer number (32722707082).

Almost surely, 2^65445414163 is an apocalyptic number.

65445414163 is a deficient number, since it is larger than the sum of its proper divisors (1).

65445414163 is an equidigital number, since it uses as much as digits as its factorization.

65445414163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 43.

The spelling of 65445414163 in words is "sixty-five billion, four hundred forty-five million, four hundred fourteen thousand, one hundred sixty-three".