12969961343 has 2 divisors, whose sum is σ = 12969961344. Its totient is φ = 12969961342.

The previous prime is 12969961273. The next prime is 12969961397. The reversal of 12969961343 is 34316996921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12969961343 - 2⁸ = 12969961087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12969961643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6484980671 + 6484980672.

It is an arithmetic number, because the mean of its divisors is an integer number (6484980672).

Almost surely, 2^12969961343 is an apocalyptic number.

12969961343 is a deficient number, since it is larger than the sum of its proper divisors (1).

12969961343 is an equidigital number, since it uses as much as digits as its factorization.

12969961343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 53.

The spelling of 12969961343 in words is "twelve billion, nine hundred sixty-nine million, nine hundred sixty-one thousand, three hundred forty-three".