64334466443347 has 4 divisors (see below), whose sum is σ = 64924690906240. Its totient is φ = 63744241980456.

The previous prime is 64334466443297. The next prime is 64334466443477. The reversal of 64334466443347 is 74334466443346.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64334466443347 - 2¹⁵ = 64334466410579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64334466443047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295112231283 + ... + 295112231500.

It is an arithmetic number, because the mean of its divisors is an integer number (16231172726560).

Almost surely, 2^{64334466443347} is an apocalyptic number.

64334466443347 is a deficient number, since it is larger than the sum of its proper divisors (590224462893).

64334466443347 is a wasteful number, since it uses less digits than its factorization.

64334466443347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590224462892.

The product of its digits is 501645312, while the sum is 61.

Subtracting 64334466443347 from its reverse (74334466443346), we obtain a palindrome (9999999999999).

The spelling of 64334466443347 in words is "sixty-four trillion, three hundred thirty-four billion, four hundred sixty-six million, four hundred forty-three thousand, three hundred forty-seven".