64317642105 has 8 divisors (see below), whose sum is σ = 102908227392. Its totient is φ = 34302742448.

The previous prime is 64317642097. The next prime is 64317642107. The reversal of 64317642105 is 50124671346.

It is a happy number.

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 64317642105 - 2³ = 64317642097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64317642107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2143921389 + ... + 2143921418.

It is an arithmetic number, because the mean of its divisors is an integer number (12863528424).

Almost surely, 2^64317642105 is an apocalyptic number.

It is an amenable number.

64317642105 is a deficient number, since it is larger than the sum of its proper divisors (38590585287).

64317642105 is a wasteful number, since it uses less digits than its factorization.

64317642105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287842815.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 64317642105 in words is "sixty-four billion, three hundred seventeen million, six hundred forty-two thousand, one hundred five".