504945707549429 has 2 divisors, whose sum is σ = 504945707549430. Its totient is φ = 504945707549428.

The previous prime is 504945707549369. The next prime is 504945707549453. The reversal of 504945707549429 is 924945707549405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 490584624231025 + 14361083318404 = 22149145^2 + 3789602^2 .

It is a cyclic number.

It is not a de Polignac number, because 504945707549429 - 2⁴⁴ = 487353521505013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504945707549489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252472853774714 + 252472853774715.

It is an arithmetic number, because the mean of its divisors is an integer number (252472853774715).

Almost surely, 2^{504945707549429} is an apocalyptic number.

It is an amenable number.

504945707549429 is a deficient number, since it is larger than the sum of its proper divisors (1).

504945707549429 is an equidigital number, since it uses as much as digits as its factorization.

504945707549429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144000, while the sum is 74.

The spelling of 504945707549429 in words is "five hundred four trillion, nine hundred forty-five billion, seven hundred seven million, five hundred forty-nine thousand, four hundred twenty-nine".