64970446650117 has 8 divisors (see below), whose sum is σ = 86628045912096. Its totient is φ = 43313239244112.

The previous prime is 64970446650101. The next prime is 64970446650211. The reversal of 64970446650117 is 71105664407946.

It is a happy number.

64970446650117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 64970446650117 - 2⁴ = 64970446650101 is a prime.

It is a super-2 number, since 2×64970446650117² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64970446650617) 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, 97576903 + ... + 98240484.

It is an arithmetic number, because the mean of its divisors is an integer number (10828505739012).

Almost surely, 2^{64970446650117} is an apocalyptic number.

It is an amenable number.

64970446650117 is a deficient number, since it is larger than the sum of its proper divisors (21657599261979).

64970446650117 is a wasteful number, since it uses less digits than its factorization.

64970446650117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195927987.

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 64970446650117 in words is "sixty-four trillion, nine hundred seventy billion, four hundred forty-six million, six hundred fifty thousand, one hundred seventeen".