12438962983 has 2 divisors, whose sum is σ = 12438962984. Its totient is φ = 12438962982.

The previous prime is 12438962929. The next prime is 12438963041. The reversal of 12438962983 is 38926983421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12438962983 - 2²⁵ = 12405408551 is a prime.

It is a super-3 number, since 3×12438962983³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12438962903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6219481491 + 6219481492.

It is an arithmetic number, because the mean of its divisors is an integer number (6219481492).

Almost surely, 2^12438962983 is an apocalyptic number.

12438962983 is a deficient number, since it is larger than the sum of its proper divisors (1).

12438962983 is an equidigital number, since it uses as much as digits as its factorization.

12438962983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 55.

The spelling of 12438962983 in words is "twelve billion, four hundred thirty-eight million, nine hundred sixty-two thousand, nine hundred eighty-three".