449940097 has 2 divisors, whose sum is σ = 449940098. Its totient is φ = 449940096.

The previous prime is 449940061. The next prime is 449940131. The reversal of 449940097 is 790049944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 400040001 + 49900096 = 20001^2 + 7064^2 .

It is a cyclic number.

It is not a de Polignac number, because 449940097 - 2¹⁹ = 449415809 is a prime.

It is not a weakly prime, because it can be changed into another prime (449940397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224970048 + 224970049.

It is an arithmetic number, because the mean of its divisors is an integer number (224970049).

Almost surely, 2^449940097 is an apocalyptic number.

It is an amenable number.

449940097 is a deficient number, since it is larger than the sum of its proper divisors (1).

449940097 is an equidigital number, since it uses as much as digits as its factorization.

449940097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 449940097 is about 21211.7914613547. The cubic root of 449940097 is about 766.2754277484.

The spelling of 449940097 in words is "four hundred forty-nine million, nine hundred forty thousand, ninety-seven".