449912377 has 2 divisors, whose sum is σ = 449912378. Its totient is φ = 449912376.

The previous prime is 449912369. The next prime is 449912443. The reversal of 449912377 is 773219944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426670336 + 23242041 = 20656^2 + 4821^2 .

It is a cyclic number.

It is not a de Polignac number, because 449912377 - 2³ = 449912369 is a prime.

It is a super-2 number, since 2×449912377² = 404842293955580258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (449912317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224956188 + 224956189.

It is an arithmetic number, because the mean of its divisors is an integer number (224956189).

Almost surely, 2^449912377 is an apocalyptic number.

It is an amenable number.

449912377 is a deficient number, since it is larger than the sum of its proper divisors (1).

449912377 is an equidigital number, since it uses as much as digits as its factorization.

449912377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 46.

The square root of 449912377 is about 21211.1380411330. The cubic root of 449912377 is about 766.2596911417.

The spelling of 449912377 in words is "four hundred forty-nine million, nine hundred twelve thousand, three hundred seventy-seven".