4138449267 has 16 divisors (see below), whose sum is σ = 5655434400. Its totient is φ = 2690284800.

The previous prime is 4138449239. The next prime is 4138449373. The reversal of 4138449267 is 7629448314.

It is not a de Polignac number, because 4138449267 - 2⁸ = 4138449011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4138449767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265609 + ... + 280757.

It is an arithmetic number, because the mean of its divisors is an integer number (353464650).

Almost surely, 2^4138449267 is an apocalyptic number.

4138449267 is a deficient number, since it is larger than the sum of its proper divisors (1516985133).

4138449267 is a wasteful number, since it uses less digits than its factorization.

4138449267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17414.

The product of its digits is 1161216, while the sum is 48.

The square root of 4138449267 is about 64330.7800900937. The cubic root of 4138449267 is about 1605.5082634422.

The spelling of 4138449267 in words is "four billion, one hundred thirty-eight million, four hundred forty-nine thousand, two hundred sixty-seven".