4936839888991 has 2 divisors, whose sum is σ = 4936839888992. Its totient is φ = 4936839888990.

The previous prime is 4936839888943. The next prime is 4936839888997. The reversal of 4936839888991 is 1998889386394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4936839888991 - 2¹¹ = 4936839886943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4936839888899 and 4936839888908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4936839888997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2468419944495 + 2468419944496.

It is an arithmetic number, because the mean of its divisors is an integer number (2468419944496).

Almost surely, 2^{4936839888991} is an apocalyptic number.

4936839888991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4936839888991 is an equidigital number, since it uses as much as digits as its factorization.

4936839888991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5804752896, while the sum is 85.

The spelling of 4936839888991 in words is "four trillion, nine hundred thirty-six billion, eight hundred thirty-nine million, eight hundred eighty-eight thousand, nine hundred ninety-one".