449062155449 has 2 divisors, whose sum is σ = 449062155450. Its totient is φ = 449062155448.

The previous prime is 449062155413. The next prime is 449062155517. The reversal of 449062155449 is 944551260944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 362081399824 + 86980755625 = 601732^2 + 294925^2 .

It is a cyclic number.

It is not a de Polignac number, because 449062155449 - 2¹² = 449062151353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 449062155449.

It is not a weakly prime, because it can be changed into another prime (449062145449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224531077724 + 224531077725.

It is an arithmetic number, because the mean of its divisors is an integer number (224531077725).

Almost surely, 2^449062155449 is an apocalyptic number.

It is an amenable number.

449062155449 is a deficient number, since it is larger than the sum of its proper divisors (1).

449062155449 is an equidigital number, since it uses as much as digits as its factorization.

449062155449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 449062155449 in words is "four hundred forty-nine billion, sixty-two million, one hundred fifty-five thousand, four hundred forty-nine".