64345854347 has 8 divisors (see below), whose sum is σ = 67739050560. Its totient is φ = 60953315400.

The previous prime is 64345854329. The next prime is 64345854373. The reversal of 64345854347 is 74345854346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64345854347 - 2²² = 64341660043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64345854247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43388 + ... + 361350.

It is an arithmetic number, because the mean of its divisors is an integer number (8467381320).

Almost surely, 2^64345854347 is an apocalyptic number.

64345854347 is a deficient number, since it is larger than the sum of its proper divisors (3393196213).

64345854347 is a wasteful number, since it uses less digits than its factorization.

64345854347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328633.

The product of its digits is 19353600, while the sum is 53.

Subtracting 64345854347 from its reverse (74345854346), we obtain a palindrome (9999999999).

The spelling of 64345854347 in words is "sixty-four billion, three hundred forty-five million, eight hundred fifty-four thousand, three hundred forty-seven".