449140039 has 2 divisors, whose sum is σ = 449140040. Its totient is φ = 449140038.

The previous prime is 449140009. The next prime is 449140099. The reversal of 449140039 is 930041944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449140039 - 2⁵ = 449140007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 449139986 and 449140013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449140009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224570019 + 224570020.

It is an arithmetic number, because the mean of its divisors is an integer number (224570020).

Almost surely, 2^449140039 is an apocalyptic number.

449140039 is a deficient number, since it is larger than the sum of its proper divisors (1).

449140039 is an equidigital number, since it uses as much as digits as its factorization.

449140039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 449140039 is about 21192.9242673115. The cubic root of 449140039 is about 765.8209757580.

The spelling of 449140039 in words is "four hundred forty-nine million, one hundred forty thousand, thirty-nine".