5105100504989 has 2 divisors, whose sum is σ = 5105100504990. Its totient is φ = 5105100504988.

The previous prime is 5105100504979. The next prime is 5105100505013. The reversal of 5105100504989 is 9894050015015.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4449863680900 + 655236824089 = 2109470^2 + 809467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5105100504989 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 (5105100504949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552550252494 + 2552550252495.

It is an arithmetic number, because the mean of its divisors is an integer number (2552550252495).

Almost surely, 2^{5105100504989} is an apocalyptic number.

It is an amenable number.

5105100504989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105100504989 is an equidigital number, since it uses as much as digits as its factorization.

5105100504989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 47.

The spelling of 5105100504989 in words is "five trillion, one hundred five billion, one hundred million, five hundred four thousand, nine hundred eighty-nine".