65864332389937 has 2 divisors, whose sum is σ = 65864332389938. Its totient is φ = 65864332389936.

The previous prime is 65864332389923. The next prime is 65864332389967. The reversal of 65864332389937 is 73998323346856.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44237516974641 + 21626815415296 = 6651129^2 + 4650464^2 .

It is a cyclic number.

It is not a de Polignac number, because 65864332389937 - 2¹⁵ = 65864332357169 is a prime.

It is a super-4 number, since 4×65864332389937⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (65864332389967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32932166194968 + 32932166194969.

It is an arithmetic number, because the mean of its divisors is an integer number (32932166194969).

Almost surely, 2^{65864332389937} is an apocalyptic number.

It is an amenable number.

65864332389937 is a deficient number, since it is larger than the sum of its proper divisors (1).

65864332389937 is an equidigital number, since it uses as much as digits as its factorization.

65864332389937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4232632320, while the sum is 76.

The spelling of 65864332389937 in words is "sixty-five trillion, eight hundred sixty-four billion, three hundred thirty-two million, three hundred eighty-nine thousand, nine hundred thirty-seven".