64334466443345 has 16 divisors (see below), whose sum is σ = 88236785424000. Its totient is φ = 44111732696064.

The previous prime is 64334466443297. The next prime is 64334466443477. The reversal of 64334466443345 is 54334466443346.

It is a cyclic number.

It is not a de Polignac number, because 64334466443345 - 2¹⁶ = 64334466377809 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 68904827 + ... + 69832256.

It is an arithmetic number, because the mean of its divisors is an integer number (5514799089000).

Almost surely, 2^{64334466443345} is an apocalyptic number.

It is an amenable number.

64334466443345 is a deficient number, since it is larger than the sum of its proper divisors (23902318980655).

64334466443345 is a wasteful number, since it uses less digits than its factorization.

64334466443345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138750344.

The product of its digits is 358318080, while the sum is 59.

Subtracting from 64334466443345 its reverse (54334466443346), we obtain a palindrome (9999999999999).

The spelling of 64334466443345 in words is "sixty-four trillion, three hundred thirty-four billion, four hundred sixty-six million, four hundred forty-three thousand, three hundred forty-five".