126983460898589 has 2 divisors, whose sum is σ = 126983460898590. Its totient is φ = 126983460898588.

The previous prime is 126983460898543. The next prime is 126983460898631. The reversal of 126983460898589 is 985898064389621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97048446634489 + 29935014264100 = 9851317^2 + 5471290^2 .

It is an emirp because it is prime and its reverse (985898064389621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126983460898589 - 2²⁸ = 126983192463133 is a prime.

It is a super-2 number, since 2×126983460898589² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126983460898589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126983460298589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63491730449294 + 63491730449295.

It is an arithmetic number, because the mean of its divisors is an integer number (63491730449295).

Almost surely, 2^{126983460898589} is an apocalyptic number.

It is an amenable number.

126983460898589 is a deficient number, since it is larger than the sum of its proper divisors (1).

126983460898589 is an equidigital number, since it uses as much as digits as its factorization.

126983460898589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12899450880, while the sum is 86.

The spelling of 126983460898589 in words is "one hundred twenty-six trillion, nine hundred eighty-three billion, four hundred sixty million, eight hundred ninety-eight thousand, five hundred eighty-nine".