12916645583 has 2 divisors, whose sum is σ = 12916645584. Its totient is φ = 12916645582.

The previous prime is 12916645579. The next prime is 12916645603. The reversal of 12916645583 is 38554661921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12916645583 - 2² = 12916645579 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12916645513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6458322791 + 6458322792.

It is an arithmetic number, because the mean of its divisors is an integer number (6458322792).

Almost surely, 2^12916645583 is an apocalyptic number.

12916645583 is a deficient number, since it is larger than the sum of its proper divisors (1).

12916645583 is an equidigital number, since it uses as much as digits as its factorization.

12916645583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 50.

The spelling of 12916645583 in words is "twelve billion, nine hundred sixteen million, six hundred forty-five thousand, five hundred eighty-three".