64321450345 has 8 divisors (see below), whose sum is σ = 79675603200. Its totient is φ = 49797251760.

The previous prime is 64321450327. The next prime is 64321450373. The reversal of 64321450345 is 54305412346.

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

It is not a de Polignac number, because 64321450345 - 2⁷ = 64321450217 is a prime.

It is an unprimeable number.

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, 207488395 + ... + 207488704.

It is an arithmetic number, because the mean of its divisors is an integer number (9959450400).

Almost surely, 2^64321450345 is an apocalyptic number.

It is an amenable number.

64321450345 is a deficient number, since it is larger than the sum of its proper divisors (15354152855).

64321450345 is a wasteful number, since it uses less digits than its factorization.

64321450345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414977135.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 64321450345 in words is "sixty-four billion, three hundred twenty-one million, four hundred fifty thousand, three hundred forty-five".