449524091 has 2 divisors, whose sum is σ = 449524092. Its totient is φ = 449524090.

The previous prime is 449524079. The next prime is 449524109. The reversal of 449524091 is 190425944.

Together with next prime (449524109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449524091 is a prime.

It is not a weakly prime, because it can be changed into another prime (449524051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224762045 + 224762046.

It is an arithmetic number, because the mean of its divisors is an integer number (224762046).

Almost surely, 2^449524091 is an apocalyptic number.

449524091 is a deficient number, since it is larger than the sum of its proper divisors (1).

449524091 is an equidigital number, since it uses as much as digits as its factorization.

449524091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 449524091 is about 21201.9831855419. The cubic root of 449524091 is about 766.0391937307.

The spelling of 449524091 in words is "four hundred forty-nine million, five hundred twenty-four thousand, ninety-one".