64548822674212 has 6 divisors (see below), whose sum is σ = 112960439679878. Its totient is φ = 32274411337104.

The previous prime is 64548822674179. The next prime is 64548822674257. The reversal of 64548822674212 is 21247622884546.

It can be written as a sum of positive squares in only one way, i.e., 50388759038016 + 14160063636196 = 7098504^2 + 3762986^2 .

It is a super-2 number, since 2×64548822674212² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8068602834273 + ... + 8068602834280.

Almost surely, 2^{64548822674212} is an apocalyptic number.

It is an amenable number.

64548822674212 is a deficient number, since it is larger than the sum of its proper divisors (48411617005666).

64548822674212 is a wasteful number, since it uses less digits than its factorization.

64548822674212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16137205668557 (or 16137205668555 counting only the distinct ones).

The product of its digits is 82575360, while the sum is 61.

The spelling of 64548822674212 in words is "sixty-four trillion, five hundred forty-eight billion, eight hundred twenty-two million, six hundred seventy-four thousand, two hundred twelve".