449170619 has 2 divisors, whose sum is σ = 449170620. Its totient is φ = 449170618.

The previous prime is 449170609. The next prime is 449170649. The reversal of 449170619 is 916071944.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449170619 is a prime.

It is a super-2 number, since 2×449170619² = 403508489945686322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (449170609) 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, 224585309 + 224585310.

It is an arithmetic number, because the mean of its divisors is an integer number (224585310).

Almost surely, 2^449170619 is an apocalyptic number.

449170619 is a deficient number, since it is larger than the sum of its proper divisors (1).

449170619 is an equidigital number, since it uses as much as digits as its factorization.

449170619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 449170619 is about 21193.6457222442. The cubic root of 449170619 is about 765.8383558414.

The spelling of 449170619 in words is "four hundred forty-nine million, one hundred seventy thousand, six hundred nineteen".