64000000000039 has 2 divisors, whose sum is σ = 64000000000040. Its totient is φ = 64000000000038.

The previous prime is 64000000000033. The next prime is 64000000000061. The reversal of 64000000000039 is 93000000000046.

It is an a-pointer prime, because the next prime (64000000000061) can be obtained adding 64000000000039 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64000000000039 - 2⁵ = 64000000000007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63999999999929 and 64000000000019.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64000000000033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32000000000019 + 32000000000020.

It is an arithmetic number, because the mean of its divisors is an integer number (32000000000020).

Almost surely, 2^{64000000000039} is an apocalyptic number.

64000000000039 is a deficient number, since it is larger than the sum of its proper divisors (1).

64000000000039 is an equidigital number, since it uses as much as digits as its factorization.

64000000000039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 64000000000039 in words is "sixty-four trillion, thirty-nine", and thus it is an aban number.