64211682209 has 8 divisors (see below), whose sum is σ = 68118847200. Its totient is φ = 60318962496.

The previous prime is 64211682193. The next prime is 64211682217. The reversal of 64211682209 is 90228611246.

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 64211682209 - 2⁴ = 64211682193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64219682209) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3602159 + ... + 3619940.

It is an arithmetic number, because the mean of its divisors is an integer number (8514855900).

Almost surely, 2^64211682209 is an apocalyptic number.

It is an amenable number.

64211682209 is a deficient number, since it is larger than the sum of its proper divisors (3907164991).

64211682209 is a wasteful number, since it uses less digits than its factorization.

64211682209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7222639.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 64211682209 in words is "sixty-four billion, two hundred eleven million, six hundred eighty-two thousand, two hundred nine".