4894849139 has 2 divisors, whose sum is σ = 4894849140. Its totient is φ = 4894849138.

The previous prime is 4894849133. The next prime is 4894849159. The reversal of 4894849139 is 9319484984.

4894849139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4894849139 - 2¹⁶ = 4894783603 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4894849133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2447424569 + 2447424570.

It is an arithmetic number, because the mean of its divisors is an integer number (2447424570).

Almost surely, 2^4894849139 is an apocalyptic number.

4894849139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4894849139 is an equidigital number, since it uses as much as digits as its factorization.

4894849139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8957952, while the sum is 59.

The square root of 4894849139 is about 69963.1984617627. The cubic root of 4894849139 is about 1697.9038916368.

The spelling of 4894849139 in words is "four billion, eight hundred ninety-four million, eight hundred forty-nine thousand, one hundred thirty-nine".