449136024569 has 2 divisors, whose sum is σ = 449136024570. Its totient is φ = 449136024568.

The previous prime is 449136024551. The next prime is 449136024721. The reversal of 449136024569 is 965420631944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 347378214544 + 101757810025 = 589388^2 + 318995^2 .

It is a cyclic number.

It is not a de Polignac number, because 449136024569 - 2²⁸ = 448867589113 is a prime.

It is a super-2 number, since 2×449136024569² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 449136024569.

It is not a weakly prime, because it can be changed into another prime (449136024529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224568012284 + 224568012285.

It is an arithmetic number, because the mean of its divisors is an integer number (224568012285).

Almost surely, 2^449136024569 is an apocalyptic number.

It is an amenable number.

449136024569 is a deficient number, since it is larger than the sum of its proper divisors (1).

449136024569 is an equidigital number, since it uses as much as digits as its factorization.

449136024569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 449136024569 in words is "four hundred forty-nine billion, one hundred thirty-six million, twenty-four thousand, five hundred sixty-nine".