449501659 has 2 divisors, whose sum is σ = 449501660. Its totient is φ = 449501658.

The previous prime is 449501651. The next prime is 449501681. The reversal of 449501659 is 956105944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449501659 - 2³ = 449501651 is a prime.

It is not a weakly prime, because it can be changed into another prime (449501651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224750829 + 224750830.

It is an arithmetic number, because the mean of its divisors is an integer number (224750830).

Almost surely, 2^449501659 is an apocalyptic number.

449501659 is a deficient number, since it is larger than the sum of its proper divisors (1).

449501659 is an equidigital number, since it uses as much as digits as its factorization.

449501659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 449501659 is about 21201.4541718251. The cubic root of 449501659 is about 766.0264513086.

The spelling of 449501659 in words is "four hundred forty-nine million, five hundred one thousand, six hundred fifty-nine".