105000504989 has 2 divisors, whose sum is σ = 105000504990. Its totient is φ = 105000504988.

The previous prime is 105000504979. The next prime is 105000505031. The reversal of 105000504989 is 989405000501.

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., 102741404089 + 2259100900 = 320533^2 + 47530^2 .

It is an emirp because it is prime and its reverse (989405000501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105000504989 - 2⁸ = 105000504733 is a prime.

It is a super-2 number, since 2×105000504989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105000504919) 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, 52500252494 + 52500252495.

It is an arithmetic number, because the mean of its divisors is an integer number (52500252495).

Almost surely, 2^105000504989 is an apocalyptic number.

It is an amenable number.

105000504989 is a deficient number, since it is larger than the sum of its proper divisors (1).

105000504989 is an equidigital number, since it uses as much as digits as its factorization.

105000504989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 105000504989 in words is "one hundred five billion, five hundred four thousand, nine hundred eighty-nine".