4127816449 has 2 divisors, whose sum is σ = 4127816450. Its totient is φ = 4127816448.

The previous prime is 4127816423. The next prime is 4127816479. The reversal of 4127816449 is 9446187214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2135086849 + 1992729600 = 46207^2 + 44640^2 .

It is a cyclic number.

It is not a de Polignac number, because 4127816449 - 2¹³ = 4127808257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4127816399 and 4127816408.

It is not a weakly prime, because it can be changed into another prime (4127816479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2063908224 + 2063908225.

It is an arithmetic number, because the mean of its divisors is an integer number (2063908225).

Almost surely, 2^4127816449 is an apocalyptic number.

It is an amenable number.

4127816449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4127816449 is an equidigital number, since it uses as much as digits as its factorization.

4127816449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 46.

The square root of 4127816449 is about 64248.0851776923. The cubic root of 4127816449 is about 1604.1320862748.

The spelling of 4127816449 in words is "four billion, one hundred twenty-seven million, eight hundred sixteen thousand, four hundred forty-nine".