4989189847 has 2 divisors, whose sum is σ = 4989189848. Its totient is φ = 4989189846.

The previous prime is 4989189839. The next prime is 4989189871. The reversal of 4989189847 is 7489819894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4989189847 - 2³ = 4989189839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4989183847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494594923 + 2494594924.

It is an arithmetic number, because the mean of its divisors is an integer number (2494594924).

Almost surely, 2^4989189847 is an apocalyptic number.

4989189847 is a deficient number, since it is larger than the sum of its proper divisors (1).

4989189847 is an equidigital number, since it uses as much as digits as its factorization.

4989189847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41803776, while the sum is 67.

The square root of 4989189847 is about 70634.1974329715. The cubic root of 4989189847 is about 1708.7427173821.

The spelling of 4989189847 in words is "four billion, nine hundred eighty-nine million, one hundred eighty-nine thousand, eight hundred forty-seven".