4989780689 has 4 divisors (see below), whose sum is σ = 5023269300. Its totient is φ = 4956292080.

The previous prime is 4989780683. The next prime is 4989780707. The reversal of 4989780689 is 9860879894.

It is a happy number.

4989780689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2034010000 + 2955770689 = 45100^2 + 54367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4989780689 is a prime.

It is a super-2 number, since 2×4989780689² = 49795822648634629442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4989780683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16744082 + ... + 16744379.

It is an arithmetic number, because the mean of its divisors is an integer number (1255817325).

Almost surely, 2^4989780689 is an apocalyptic number.

It is an amenable number.

4989780689 is a deficient number, since it is larger than the sum of its proper divisors (33488611).

4989780689 is a wasteful number, since it uses less digits than its factorization.

4989780689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33488610.

The product of its (nonzero) digits is 62705664, while the sum is 68.

The square root of 4989780689 is about 70638.3797166951. The cubic root of 4989780689 is about 1708.8101670178.

The spelling of 4989780689 in words is "four billion, nine hundred eighty-nine million, seven hundred eighty thousand, six hundred eighty-nine".