449411603881 has 2 divisors, whose sum is σ = 449411603882. Its totient is φ = 449411603880.

The previous prime is 449411603863. The next prime is 449411603891. The reversal of 449411603881 is 188306114944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 440889360025 + 8522243856 = 663995^2 + 92316^2 .

It is a cyclic number.

It is not a de Polignac number, because 449411603881 - 2⁹ = 449411603369 is a prime.

It is a super-2 number, since 2×449411603881² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (449411603891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224705801940 + 224705801941.

It is an arithmetic number, because the mean of its divisors is an integer number (224705801941).

Almost surely, 2^449411603881 is an apocalyptic number.

It is an amenable number.

449411603881 is a deficient number, since it is larger than the sum of its proper divisors (1).

449411603881 is an equidigital number, since it uses as much as digits as its factorization.

449411603881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 449411603881 in words is "four hundred forty-nine billion, four hundred eleven million, six hundred three thousand, eight hundred eighty-one".