449450441653 has 2 divisors, whose sum is σ = 449450441654. Its totient is φ = 449450441652.

The previous prime is 449450441551. The next prime is 449450441683. The reversal of 449450441653 is 356144054944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264548721649 + 184901720004 = 514343^2 + 430002^2 .

It is a cyclic number.

It is not a de Polignac number, because 449450441653 - 2¹⁷ = 449450310581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 449450441597 and 449450441606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449450441683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224725220826 + 224725220827.

It is an arithmetic number, because the mean of its divisors is an integer number (224725220827).

Almost surely, 2^449450441653 is an apocalyptic number.

It is an amenable number.

449450441653 is a deficient number, since it is larger than the sum of its proper divisors (1).

449450441653 is an equidigital number, since it uses as much as digits as its factorization.

449450441653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 449450441653 in words is "four hundred forty-nine billion, four hundred fifty million, four hundred forty-one thousand, six hundred fifty-three".