4979449589 has 2 divisors, whose sum is σ = 4979449590. Its totient is φ = 4979449588.

The previous prime is 4979449543. The next prime is 4979449597. The reversal of 4979449589 is 9859449794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4820941489 + 158508100 = 69433^2 + 12590^2 .

It is a cyclic number.

It is not a de Polignac number, because 4979449589 - 2⁸ = 4979449333 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4979449789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489724794 + 2489724795.

It is an arithmetic number, because the mean of its divisors is an integer number (2489724795).

Almost surely, 2^4979449589 is an apocalyptic number.

It is an amenable number.

4979449589 is a deficient number, since it is larger than the sum of its proper divisors (1).

4979449589 is an equidigital number, since it uses as much as digits as its factorization.

4979449589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117573120, while the sum is 68.

The square root of 4979449589 is about 70565.2151488253. The cubic root of 4979449589 is about 1707.6300158453.

The spelling of 4979449589 in words is "four billion, nine hundred seventy-nine million, four hundred forty-nine thousand, five hundred eighty-nine".