505005025493 has 2 divisors, whose sum is σ = 505005025494. Its totient is φ = 505005025492.

The previous prime is 505005025423. The next prime is 505005025597. The reversal of 505005025493 is 394520500505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 491790833284 + 13214192209 = 701278^2 + 114953^2 .

It is a cyclic number.

It is not a de Polignac number, because 505005025493 - 2¹⁴ = 505005009109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505005025423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252502512746 + 252502512747.

It is an arithmetic number, because the mean of its divisors is an integer number (252502512747).

Almost surely, 2^505005025493 is an apocalyptic number.

It is an amenable number.

505005025493 is a deficient number, since it is larger than the sum of its proper divisors (1).

505005025493 is an equidigital number, since it uses as much as digits as its factorization.

505005025493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135000, while the sum is 38.

Adding to 505005025493 its reverse (394520500505), we get a palindrome (899525525998).

The spelling of 505005025493 in words is "five hundred five billion, five million, twenty-five thousand, four hundred ninety-three".