12627355633 has 2 divisors, whose sum is σ = 12627355634. Its totient is φ = 12627355632.

The previous prime is 12627355589. The next prime is 12627355681. The reversal of 12627355633 is 33655372621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10577711104 + 2049644529 = 102848^2 + 45273^2 .

It is a cyclic number.

It is not a de Polignac number, because 12627355633 - 2⁹ = 12627355121 is a prime.

It is a super-2 number, since 2×12627355633² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12627355633.

It is not a weakly prime, because it can be changed into another prime (12627355033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6313677816 + 6313677817.

It is an arithmetic number, because the mean of its divisors is an integer number (6313677817).

Almost surely, 2^12627355633 is an apocalyptic number.

It is an amenable number.

12627355633 is a deficient number, since it is larger than the sum of its proper divisors (1).

12627355633 is an equidigital number, since it uses as much as digits as its factorization.

12627355633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 43.

The spelling of 12627355633 in words is "twelve billion, six hundred twenty-seven million, three hundred fifty-five thousand, six hundred thirty-three".