4938238847 has 2 divisors, whose sum is σ = 4938238848. Its totient is φ = 4938238846.

The previous prime is 4938238841. The next prime is 4938238861. The reversal of 4938238847 is 7488328394.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4938238847 - 2⁴ = 4938238831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4938238792 and 4938238801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4938238841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2469119423 + 2469119424.

It is an arithmetic number, because the mean of its divisors is an integer number (2469119424).

Almost surely, 2^4938238847 is an apocalyptic number.

4938238847 is a deficient number, since it is larger than the sum of its proper divisors (1).

4938238847 is an equidigital number, since it uses as much as digits as its factorization.

4938238847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9289728, while the sum is 56.

The square root of 4938238847 is about 70272.6038154272. The cubic root of 4938238847 is about 1702.9060843476.

The spelling of 4938238847 in words is "four billion, nine hundred thirty-eight million, two hundred thirty-eight thousand, eight hundred forty-seven".