505005005429 has 2 divisors, whose sum is σ = 505005005430. Its totient is φ = 505005005428.

The previous prime is 505005005423. The next prime is 505005005621. The reversal of 505005005429 is 924500500505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 448869180529 + 56135824900 = 669977^2 + 236930^2 .

It is a cyclic number.

It is not a de Polignac number, because 505005005429 - 2¹⁶ = 505004939893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505005005423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252502502714 + 252502502715.

It is an arithmetic number, because the mean of its divisors is an integer number (252502502715).

Almost surely, 2^505005005429 is an apocalyptic number.

It is an amenable number.

505005005429 is a deficient number, since it is larger than the sum of its proper divisors (1).

505005005429 is an equidigital number, since it uses as much as digits as its factorization.

505005005429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 505005005429 in words is "five hundred five billion, five million, five thousand, four hundred twenty-nine".