64636106322173 has 8 divisors (see below), whose sum is σ = 65045536583040. Its totient is φ = 64227834280960.

The previous prime is 64636106322121. The next prime is 64636106322199. The reversal of 64636106322173 is 37122360163646.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64636106322173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64636106322673) 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, 289442948 + ... + 289666173.

It is an arithmetic number, because the mean of its divisors is an integer number (8130692072880).

Almost surely, 2^{64636106322173} is an apocalyptic number.

It is an amenable number.

64636106322173 is a deficient number, since it is larger than the sum of its proper divisors (409430260867).

64636106322173 is a wasteful number, since it uses less digits than its factorization.

64636106322173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579109827.

The product of its (nonzero) digits is 3919104, while the sum is 50.

The spelling of 64636106322173 in words is "sixty-four trillion, six hundred thirty-six billion, one hundred six million, three hundred twenty-two thousand, one hundred seventy-three".