4257939117 has 4 divisors (see below), whose sum is σ = 5677252160. Its totient is φ = 2838626076.

The previous prime is 4257939089. The next prime is 4257939131. The reversal of 4257939117 is 7119397524.

4257939117 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4257939117 - 2⁶ = 4257939053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257939817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709656517 + ... + 709656522.

It is an arithmetic number, because the mean of its divisors is an integer number (1419313040).

Almost surely, 2^4257939117 is an apocalyptic number.

It is an amenable number.

4257939117 is a deficient number, since it is larger than the sum of its proper divisors (1419313043).

4257939117 is a wasteful number, since it uses less digits than its factorization.

4257939117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419313042.

The product of its digits is 476280, while the sum is 48.

The square root of 4257939117 is about 65252.8858902041. The cubic root of 4257939117 is about 1620.8138872550.

The spelling of 4257939117 in words is "four billion, two hundred fifty-seven million, nine hundred thirty-nine thousand, one hundred seventeen".