65864332389967 has 2 divisors, whose sum is σ = 65864332389968. Its totient is φ = 65864332389966.

The previous prime is 65864332389937. The next prime is 65864332389979. The reversal of 65864332389967 is 76998323346856.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65864332389967 - 2³⁹ = 65314576576079 is a prime.

It is a super-2 number, since 2×65864332389967² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65864332389937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32932166194983 + 32932166194984.

It is an arithmetic number, because the mean of its divisors is an integer number (32932166194984).

Almost surely, 2^{65864332389967} is an apocalyptic number.

65864332389967 is a deficient number, since it is larger than the sum of its proper divisors (1).

65864332389967 is an equidigital number, since it uses as much as digits as its factorization.

65864332389967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8465264640, while the sum is 79.

The spelling of 65864332389967 in words is "sixty-five trillion, eight hundred sixty-four billion, three hundred thirty-two million, three hundred eighty-nine thousand, nine hundred sixty-seven".