4138258457 has 4 divisors (see below), whose sum is σ = 4152382500. Its totient is φ = 4124134416.

The previous prime is 4138258447. The next prime is 4138258459. The reversal of 4138258457 is 7548528314.

4138258457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3247176256 + 891082201 = 56984^2 + 29851^2 .

It is a cyclic number.

It is not a de Polignac number, because 4138258457 - 2⁶ = 4138258393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4138258459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7061582 + ... + 7062167.

It is an arithmetic number, because the mean of its divisors is an integer number (1038095625).

Almost surely, 2^4138258457 is an apocalyptic number.

It is an amenable number.

4138258457 is a deficient number, since it is larger than the sum of its proper divisors (14124043).

4138258457 is a wasteful number, since it uses less digits than its factorization.

4138258457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14124042.

The product of its digits is 1075200, while the sum is 47.

The square root of 4138258457 is about 64329.2970348658. The cubic root of 4138258457 is about 1605.4835881979.

The spelling of 4138258457 in words is "four billion, one hundred thirty-eight million, two hundred fifty-eight thousand, four hundred fifty-seven".