652281386212 has 6 divisors (see below), whose sum is σ = 1141492425878. Its totient is φ = 326140693104.

The previous prime is 652281386203. The next prime is 652281386261. The reversal of 652281386212 is 212683182256.

It can be written as a sum of positive squares in only one way, i.e., 587899428516 + 64381957696 = 766746^2 + 253736^2 .

It is a super-3 number, since 3×652281386212³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81535173273 + ... + 81535173280.

Almost surely, 2^652281386212 is an apocalyptic number.

It is an amenable number.

652281386212 is a deficient number, since it is larger than the sum of its proper divisors (489211039666).

652281386212 is a wasteful number, since it uses less digits than its factorization.

652281386212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163070346557 (or 163070346555 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The spelling of 652281386212 in words is "six hundred fifty-two billion, two hundred eighty-one million, three hundred eighty-six thousand, two hundred twelve".