126343343343647 has 2 divisors, whose sum is σ = 126343343343648. Its totient is φ = 126343343343646.

The previous prime is 126343343343617. The next prime is 126343343343689. The reversal of 126343343343647 is 746343343343621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126343343343647 - 2¹⁴ = 126343343327263 is a prime.

It is a super-3 number, since 3×126343343343647³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126343343343592 and 126343343343601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126343343343617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63171671671823 + 63171671671824.

It is an arithmetic number, because the mean of its divisors is an integer number (63171671671824).

Almost surely, 2^{126343343343647} is an apocalyptic number.

126343343343647 is a deficient number, since it is larger than the sum of its proper divisors (1).

126343343343647 is an equidigital number, since it uses as much as digits as its factorization.

126343343343647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94058496, while the sum is 56.

The spelling of 126343343343647 in words is "one hundred twenty-six trillion, three hundred forty-three billion, three hundred forty-three million, three hundred forty-three thousand, six hundred forty-seven".