12645022933 has 2 divisors, whose sum is σ = 12645022934. Its totient is φ = 12645022932.

The previous prime is 12645022931. The next prime is 12645023059. The reversal of 12645022933 is 33922054621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11469767409 + 1175255524 = 107097^2 + 34282^2 .

It is a cyclic number.

It is not a de Polignac number, because 12645022933 - 2¹ = 12645022931 is a prime.

Together with 12645022931, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12645022892 and 12645022901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12645022931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6322511466 + 6322511467.

It is an arithmetic number, because the mean of its divisors is an integer number (6322511467).

Almost surely, 2^12645022933 is an apocalyptic number.

It is an amenable number.

12645022933 is a deficient number, since it is larger than the sum of its proper divisors (1).

12645022933 is an equidigital number, since it uses as much as digits as its factorization.

12645022933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 12645022933 in words is "twelve billion, six hundred forty-five million, twenty-two thousand, nine hundred thirty-three".