4939867841 has 2 divisors, whose sum is σ = 4939867842. Its totient is φ = 4939867840.

The previous prime is 4939867831. The next prime is 4939867861. The reversal of 4939867841 is 1487689394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4671039025 + 268828816 = 68345^2 + 16396^2 .

It is a cyclic number.

It is not a de Polignac number, because 4939867841 - 2²² = 4935673537 is a prime.

It is not a weakly prime, because it can be changed into another prime (4939867831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2469933920 + 2469933921.

It is an arithmetic number, because the mean of its divisors is an integer number (2469933921).

Almost surely, 2^4939867841 is an apocalyptic number.

It is an amenable number.

4939867841 is a deficient number, since it is larger than the sum of its proper divisors (1).

4939867841 is an equidigital number, since it uses as much as digits as its factorization.

4939867841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 59.

The square root of 4939867841 is about 70284.1933936785. The cubic root of 4939867841 is about 1703.0933116102.

The spelling of 4939867841 in words is "four billion, nine hundred thirty-nine million, eight hundred sixty-seven thousand, eight hundred forty-one".