449625859 has 2 divisors, whose sum is σ = 449625860. Its totient is φ = 449625858.

The previous prime is 449625851. The next prime is 449625881. The reversal of 449625859 is 958526944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449625859 - 2³ = 449625851 is a prime.

It is not a weakly prime, because it can be changed into another prime (449625851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224812929 + 224812930.

It is an arithmetic number, because the mean of its divisors is an integer number (224812930).

Almost surely, 2^449625859 is an apocalyptic number.

449625859 is a deficient number, since it is larger than the sum of its proper divisors (1).

449625859 is an equidigital number, since it uses as much as digits as its factorization.

449625859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3110400, while the sum is 52.

The square root of 449625859 is about 21204.3830138960. The cubic root of 449625859 is about 766.0969973767.

The spelling of 449625859 in words is "four hundred forty-nine million, six hundred twenty-five thousand, eight hundred fifty-nine".