4976879989 has 2 divisors, whose sum is σ = 4976879990. Its totient is φ = 4976879988.

The previous prime is 4976879987. The next prime is 4976880019. The reversal of 4976879989 is 9899786794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4483373764 + 493506225 = 66958^2 + 22215^2 .

It is a cyclic number.

It is not a de Polignac number, because 4976879989 - 2¹ = 4976879987 is a prime.

Together with 4976879987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4976879987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2488439994 + 2488439995.

It is an arithmetic number, because the mean of its divisors is an integer number (2488439995).

Almost surely, 2^4976879989 is an apocalyptic number.

It is an amenable number.

4976879989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4976879989 is an equidigital number, since it uses as much as digits as its factorization.

4976879989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493807104, while the sum is 76.

The square root of 4976879989 is about 70547.0055282292. The cubic root of 4976879989 is about 1707.3362296206.

The spelling of 4976879989 in words is "four billion, nine hundred seventy-six million, eight hundred seventy-nine thousand, nine hundred eighty-nine".