65029665971 has 2 divisors, whose sum is σ = 65029665972. Its totient is φ = 65029665970.

The previous prime is 65029665941. The next prime is 65029665977. The reversal of 65029665971 is 17956692056.

65029665971 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 65029665971 - 2³⁰ = 63955924147 is a prime.

It is not a weakly prime, because it can be changed into another prime (65029665977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32514832985 + 32514832986.

It is an arithmetic number, because the mean of its divisors is an integer number (32514832986).

Almost surely, 2^65029665971 is an apocalyptic number.

65029665971 is a deficient number, since it is larger than the sum of its proper divisors (1).

65029665971 is an equidigital number, since it uses as much as digits as its factorization.

65029665971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6123600, while the sum is 56.

The spelling of 65029665971 in words is "sixty-five billion, twenty-nine million, six hundred sixty-five thousand, nine hundred seventy-one".