449798669 has 2 divisors, whose sum is σ = 449798670. Its totient is φ = 449798668.

The previous prime is 449798627. The next prime is 449798707. The reversal of 449798669 is 966897944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241429444 + 208369225 = 15538^2 + 14435^2 .

It is a cyclic number.

It is not a de Polignac number, because 449798669 - 2¹² = 449794573 is a prime.

It is a super-2 number, since 2×449798669² = 404637685268343122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449797669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224899334 + 224899335.

It is an arithmetic number, because the mean of its divisors is an integer number (224899335).

Almost surely, 2^449798669 is an apocalyptic number.

It is an amenable number.

449798669 is a deficient number, since it is larger than the sum of its proper divisors (1).

449798669 is an equidigital number, since it uses as much as digits as its factorization.

449798669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23514624, while the sum is 62.

The square root of 449798669 is about 21208.4574875213. The cubic root of 449798669 is about 766.1951324982.

The spelling of 449798669 in words is "four hundred forty-nine million, seven hundred ninety-eight thousand, six hundred sixty-nine".