64334311343339 has 2 divisors, whose sum is σ = 64334311343340. Its totient is φ = 64334311343338.

The previous prime is 64334311343299. The next prime is 64334311343429. The reversal of 64334311343339 is 93334311343346.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64334311343339 - 2³⁶ = 64265591866603 is a prime.

It is not a weakly prime, because it can be changed into another prime (64334311343039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32167155671669 + 32167155671670.

It is an arithmetic number, because the mean of its divisors is an integer number (32167155671670).

Almost surely, 2^{64334311343339} is an apocalyptic number.

64334311343339 is a deficient number, since it is larger than the sum of its proper divisors (1).

64334311343339 is an equidigital number, since it uses as much as digits as its factorization.

64334311343339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7558272, while the sum is 50.

The spelling of 64334311343339 in words is "sixty-four trillion, three hundred thirty-four billion, three hundred eleven million, three hundred forty-three thousand, three hundred thirty-nine".