674646224212 has 6 divisors (see below), whose sum is σ = 1180630892378. Its totient is φ = 337323112104.

The previous prime is 674646224207. The next prime is 674646224243. The reversal of 674646224212 is 212422646476.

It can be written as a sum of positive squares in only one way, i.e., 464995792836 + 209650431376 = 681906^2 + 457876^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 84330778023 + ... + 84330778030.

Almost surely, 2^674646224212 is an apocalyptic number.

It is an amenable number.

674646224212 is a deficient number, since it is larger than the sum of its proper divisors (505984668166).

674646224212 is a wasteful number, since it uses less digits than its factorization.

674646224212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168661556057 (or 168661556055 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 46.

The spelling of 674646224212 in words is "six hundred seventy-four billion, six hundred forty-six million, two hundred twenty-four thousand, two hundred twelve".