4989846049 has 2 divisors, whose sum is σ = 4989846050. Its totient is φ = 4989846048.

The previous prime is 4989846007. The next prime is 4989846073. The reversal of 4989846049 is 9406489894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4780754449 + 209091600 = 69143^2 + 14460^2 .

It is a cyclic number.

It is not a de Polignac number, because 4989846049 - 2¹⁵ = 4989813281 is a prime.

It is not a weakly prime, because it can be changed into another prime (4989846079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494923024 + 2494923025.

It is an arithmetic number, because the mean of its divisors is an integer number (2494923025).

Almost surely, 2^4989846049 is an apocalyptic number.

It is an amenable number.

4989846049 is a deficient number, since it is larger than the sum of its proper divisors (1).

4989846049 is an equidigital number, since it uses as much as digits as its factorization.

4989846049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17915904, while the sum is 61.

The square root of 4989846049 is about 70638.8423531983. The cubic root of 4989846049 is about 1708.8176280902.

The spelling of 4989846049 in words is "four billion, nine hundred eighty-nine million, eight hundred forty-six thousand, forty-nine".