65673824971 has 2 divisors, whose sum is σ = 65673824972. Its totient is φ = 65673824970.

The previous prime is 65673824959. The next prime is 65673824989. The reversal of 65673824971 is 17942837656.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65673824971 - 2¹¹ = 65673822923 is a prime.

It is not a weakly prime, because it can be changed into another prime (65673824921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32836912485 + 32836912486.

It is an arithmetic number, because the mean of its divisors is an integer number (32836912486).

Almost surely, 2^65673824971 is an apocalyptic number.

65673824971 is a deficient number, since it is larger than the sum of its proper divisors (1).

65673824971 is an equidigital number, since it uses as much as digits as its factorization.

65673824971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 58.

The spelling of 65673824971 in words is "sixty-five billion, six hundred seventy-three million, eight hundred twenty-four thousand, nine hundred seventy-one".