4838657839 has 2 divisors, whose sum is σ = 4838657840. Its totient is φ = 4838657838.

The previous prime is 4838657809. The next prime is 4838657903. The reversal of 4838657839 is 9387568384.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4838657839 is a prime.

It is a super-2 number, since 2×4838657839² = 46825219365832299842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4838657809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2419328919 + 2419328920.

It is an arithmetic number, because the mean of its divisors is an integer number (2419328920).

Almost surely, 2^4838657839 is an apocalyptic number.

4838657839 is a deficient number, since it is larger than the sum of its proper divisors (1).

4838657839 is an equidigital number, since it uses as much as digits as its factorization.

4838657839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 61.

The square root of 4838657839 is about 69560.4617509113. The cubic root of 4838657839 is about 1691.3817392832.

The spelling of 4838657839 in words is "four billion, eight hundred thirty-eight million, six hundred fifty-seven thousand, eight hundred thirty-nine".