12638830363 has 2 divisors, whose sum is σ = 12638830364. Its totient is φ = 12638830362.

The previous prime is 12638830361. The next prime is 12638830397. The reversal of 12638830363 is 36303883621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12638830363 - 2¹ = 12638830361 is a prime.

Together with 12638830361, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12638830361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6319415181 + 6319415182.

It is an arithmetic number, because the mean of its divisors is an integer number (6319415182).

Almost surely, 2^12638830363 is an apocalyptic number.

12638830363 is a deficient number, since it is larger than the sum of its proper divisors (1).

12638830363 is an equidigital number, since it uses as much as digits as its factorization.

12638830363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 12638830363 in words is "twelve billion, six hundred thirty-eight million, eight hundred thirty thousand, three hundred sixty-three".