12517047743 has 2 divisors, whose sum is σ = 12517047744. Its totient is φ = 12517047742.

The previous prime is 12517047733. The next prime is 12517047769. The reversal of 12517047743 is 34774071521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12517047743 - 2¹⁸ = 12516785599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12517047743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12517047703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6258523871 + 6258523872.

It is an arithmetic number, because the mean of its divisors is an integer number (6258523872).

Almost surely, 2^12517047743 is an apocalyptic number.

12517047743 is a deficient number, since it is larger than the sum of its proper divisors (1).

12517047743 is an equidigital number, since it uses as much as digits as its factorization.

12517047743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 12517047743 in words is "twelve billion, five hundred seventeen million, forty-seven thousand, seven hundred forty-three".