126302994469 has 2 divisors, whose sum is σ = 126302994470. Its totient is φ = 126302994468.

The previous prime is 126302994457. The next prime is 126302994491. The reversal of 126302994469 is 964499203621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123295788225 + 3007206244 = 351135^2 + 54838^2 .

It is an emirp because it is prime and its reverse (964499203621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126302994469 - 2¹¹ = 126302992421 is a prime.

It is a super-2 number, since 2×126302994469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126302994449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63151497234 + 63151497235.

It is an arithmetic number, because the mean of its divisors is an integer number (63151497235).

Almost surely, 2^126302994469 is an apocalyptic number.

It is an amenable number.

126302994469 is a deficient number, since it is larger than the sum of its proper divisors (1).

126302994469 is an equidigital number, since it uses as much as digits as its factorization.

126302994469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5038848, while the sum is 55.

The spelling of 126302994469 in words is "one hundred twenty-six billion, three hundred two million, nine hundred ninety-four thousand, four hundred sixty-nine".