126419041669 has 2 divisors, whose sum is σ = 126419041670. Its totient is φ = 126419041668.

The previous prime is 126419041667. The next prime is 126419041733. The reversal of 126419041669 is 966140914621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90712404225 + 35706637444 = 301185^2 + 188962^2 .

It is an emirp because it is prime and its reverse (966140914621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126419041669 - 2¹ = 126419041667 is a prime.

It is a super-2 number, since 2×126419041669² (a number of 23 digits) contains 22 as substring.

Together with 126419041667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126419041663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63209520834 + 63209520835.

It is an arithmetic number, because the mean of its divisors is an integer number (63209520835).

Almost surely, 2^126419041669 is an apocalyptic number.

It is an amenable number.

126419041669 is a deficient number, since it is larger than the sum of its proper divisors (1).

126419041669 is an equidigital number, since it uses as much as digits as its factorization.

126419041669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 126419041669 in words is "one hundred twenty-six billion, four hundred nineteen million, forty-one thousand, six hundred sixty-nine".