64548822674211 has 4 divisors (see below), whose sum is σ = 86065096898952. Its totient is φ = 43032548449472.

The previous prime is 64548822674179. The next prime is 64548822674257. The reversal of 64548822674211 is 11247622884546.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64548822674211 - 2⁵ = 64548822674179 is a prime.

It is a super-2 number, since 2×64548822674211² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64548822674261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10758137112366 + ... + 10758137112371.

It is an arithmetic number, because the mean of its divisors is an integer number (21516274224738).

Almost surely, 2^{64548822674211} is an apocalyptic number.

64548822674211 is a deficient number, since it is larger than the sum of its proper divisors (21516274224741).

64548822674211 is a wasteful number, since it uses less digits than its factorization.

64548822674211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21516274224740.

The product of its digits is 41287680, while the sum is 60.

The spelling of 64548822674211 in words is "sixty-four trillion, five hundred forty-eight billion, eight hundred twenty-two million, six hundred seventy-four thousand, two hundred eleven".