5131848989 has 2 divisors, whose sum is σ = 5131848990. Its totient is φ = 5131848988.

The previous prime is 5131848983. The next prime is 5131849039. The reversal of 5131848989 is 9898481315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3441816889 + 1690032100 = 58667^2 + 41110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5131848989 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 (5131848983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565924494 + 2565924495.

It is an arithmetic number, because the mean of its divisors is an integer number (2565924495).

Almost surely, 2^5131848989 is an apocalyptic number.

It is an amenable number.

5131848989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131848989 is an equidigital number, since it uses as much as digits as its factorization.

5131848989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 56.

The square root of 5131848989 is about 71636.9247595121. The cubic root of 5131848989 is about 1724.8763043978.

The spelling of 5131848989 in words is "five billion, one hundred thirty-one million, eight hundred forty-eight thousand, nine hundred eighty-nine".