12622603289 has 2 divisors, whose sum is σ = 12622603290. Its totient is φ = 12622603288.

The previous prime is 12622603283. The next prime is 12622603291. The reversal of 12622603289 is 98230622621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11363560000 + 1259043289 = 106600^2 + 35483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12622603289 is a prime.

It is a super-2 number, since 2×12622603289² (a number of 21 digits) contains 22 as substring.

Together with 12622603291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12622603283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6311301644 + 6311301645.

It is an arithmetic number, because the mean of its divisors is an integer number (6311301645).

Almost surely, 2^12622603289 is an apocalyptic number.

It is an amenable number.

12622603289 is a deficient number, since it is larger than the sum of its proper divisors (1).

12622603289 is an equidigital number, since it uses as much as digits as its factorization.

12622603289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 12622603289 in words is "twelve billion, six hundred twenty-two million, six hundred three thousand, two hundred eighty-nine".