12793241477 has 2 divisors, whose sum is σ = 12793241478. Its totient is φ = 12793241476.

The previous prime is 12793241423. The next prime is 12793241533. The reversal of 12793241477 is 77414239721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12772164196 + 21077281 = 113014^2 + 4591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12793241477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12793241977) 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, 6396620738 + 6396620739.

It is an arithmetic number, because the mean of its divisors is an integer number (6396620739).

Almost surely, 2^12793241477 is an apocalyptic number.

It is an amenable number.

12793241477 is a deficient number, since it is larger than the sum of its proper divisors (1).

12793241477 is an equidigital number, since it uses as much as digits as its factorization.

12793241477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 47.

The spelling of 12793241477 in words is "twelve billion, seven hundred ninety-three million, two hundred forty-one thousand, four hundred seventy-seven".