505500005029 has 2 divisors, whose sum is σ = 505500005030. Its totient is φ = 505500005028.

The previous prime is 505500005027. The next prime is 505500005033. The reversal of 505500005029 is 920500005505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 468948300804 + 36551704225 = 684798^2 + 191185^2 .

It is a cyclic number.

It is not a de Polignac number, because 505500005029 - 2¹ = 505500005027 is a prime.

Together with 505500005027, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505500005027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252750002514 + 252750002515.

It is an arithmetic number, because the mean of its divisors is an integer number (252750002515).

Almost surely, 2^505500005029 is an apocalyptic number.

It is an amenable number.

505500005029 is a deficient number, since it is larger than the sum of its proper divisors (1).

505500005029 is an equidigital number, since it uses as much as digits as its factorization.

505500005029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 505500005029 in words is "five hundred five billion, five hundred million, five thousand, twenty-nine".