64334342345 has 16 divisors (see below), whose sum is σ = 95016875520. Its totient is φ = 40721517504.

The previous prime is 64334342321. The next prime is 64334342363. The reversal of 64334342345 is 54324343346.

It is a cyclic number.

It is not a de Polignac number, because 64334342345 - 2¹⁰ = 64334341321 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, 70696625 + ... + 70697534.

It is an arithmetic number, because the mean of its divisors is an integer number (5938554720).

Almost surely, 2^64334342345 is an apocalyptic number.

64334342345 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64334342345 is a deficient number, since it is larger than the sum of its proper divisors (30682533175).

64334342345 is a wasteful number, since it uses less digits than its factorization.

64334342345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141394184.

The product of its digits is 1244160, while the sum is 41.

The spelling of 64334342345 in words is "sixty-four billion, three hundred thirty-four million, three hundred forty-two thousand, three hundred forty-five".