4038478049 has 2 divisors, whose sum is σ = 4038478050. Its totient is φ = 4038478048.

The previous prime is 4038478039. The next prime is 4038478091. The reversal of 4038478049 is 9408748304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2406883600 + 1631594449 = 49060^2 + 40393^2 .

It is a cyclic number.

It is not a de Polignac number, because 4038478049 - 2⁴ = 4038478033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4038477994 and 4038478012.

It is not a weakly prime, because it can be changed into another prime (4038478039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2019239024 + 2019239025.

It is an arithmetic number, because the mean of its divisors is an integer number (2019239025).

Almost surely, 2^4038478049 is an apocalyptic number.

It is an amenable number.

4038478049 is a deficient number, since it is larger than the sum of its proper divisors (1).

4038478049 is an equidigital number, since it uses as much as digits as its factorization.

4038478049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 4038478049 is about 63549.0208343134. The cubic root of 4038478049 is about 1592.4748254594.

The spelling of 4038478049 in words is "four billion, thirty-eight million, four hundred seventy-eight thousand, forty-nine".