449666153413 has 2 divisors, whose sum is σ = 449666153414. Its totient is φ = 449666153412.

The previous prime is 449666153351. The next prime is 449666153473. The reversal of 449666153413 is 314351666944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 449648031364 + 18122049 = 670558^2 + 4257^2 .

It is a cyclic number.

It is not a de Polignac number, because 449666153413 - 2³⁷ = 312227199941 is a prime.

It is a super-3 number, since 3×449666153413³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449666153473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224833076706 + 224833076707.

It is an arithmetic number, because the mean of its divisors is an integer number (224833076707).

Almost surely, 2^449666153413 is an apocalyptic number.

It is an amenable number.

449666153413 is a deficient number, since it is larger than the sum of its proper divisors (1).

449666153413 is an equidigital number, since it uses as much as digits as its factorization.

449666153413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 52.

The spelling of 449666153413 in words is "four hundred forty-nine billion, six hundred sixty-six million, one hundred fifty-three thousand, four hundred thirteen".