505000529989 has 2 divisors, whose sum is σ = 505000529990. Its totient is φ = 505000529988.

The previous prime is 505000529983. The next prime is 505000530071. The reversal of 505000529989 is 989925000505.

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., 489241493764 + 15759036225 = 699458^2 + 125535^2 .

It is a cyclic number.

It is not a de Polignac number, because 505000529989 - 2⁷ = 505000529861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505000529983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252500264994 + 252500264995.

It is an arithmetic number, because the mean of its divisors is an integer number (252500264995).

Almost surely, 2^505000529989 is an apocalyptic number.

It is an amenable number.

505000529989 is a deficient number, since it is larger than the sum of its proper divisors (1).

505000529989 is an equidigital number, since it uses as much as digits as its factorization.

505000529989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458000, while the sum is 52.

The spelling of 505000529989 in words is "five hundred five billion, five hundred twenty-nine thousand, nine hundred eighty-nine".