12667244633 has 2 divisors, whose sum is σ = 12667244634. Its totient is φ = 12667244632.

The previous prime is 12667244617. The next prime is 12667244657. The reversal of 12667244633 is 33644276621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12627466384 + 39778249 = 112372^2 + 6307^2 .

It is a cyclic number.

It is not a de Polignac number, because 12667244633 - 2⁴ = 12667244617 is a prime.

It is not a weakly prime, because it can be changed into another prime (12667244683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6333622316 + 6333622317.

It is an arithmetic number, because the mean of its divisors is an integer number (6333622317).

Almost surely, 2^12667244633 is an apocalyptic number.

It is an amenable number.

12667244633 is a deficient number, since it is larger than the sum of its proper divisors (1).

12667244633 is an equidigital number, since it uses as much as digits as its factorization.

12667244633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 44.

The spelling of 12667244633 in words is "twelve billion, six hundred sixty-seven million, two hundred forty-four thousand, six hundred thirty-three".