505446340229 has 2 divisors, whose sum is σ = 505446340230. Its totient is φ = 505446340228.

The previous prime is 505446340213. The next prime is 505446340249. The reversal of 505446340229 is 922043644505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 446460503329 + 58985836900 = 668177^2 + 242870^2 .

It is a cyclic number.

It is not a de Polignac number, because 505446340229 - 2⁴ = 505446340213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505446340229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505446340249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252723170114 + 252723170115.

It is an arithmetic number, because the mean of its divisors is an integer number (252723170115).

Almost surely, 2^505446340229 is an apocalyptic number.

It is an amenable number.

505446340229 is a deficient number, since it is larger than the sum of its proper divisors (1).

505446340229 is an equidigital number, since it uses as much as digits as its factorization.

505446340229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 505446340229 in words is "five hundred five billion, four hundred forty-six million, three hundred forty thousand, two hundred twenty-nine".