495469729 has 2 divisors, whose sum is σ = 495469730. Its totient is φ = 495469728.

The previous prime is 495469717. The next prime is 495469747. The reversal of 495469729 is 927964594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402925329 + 92544400 = 20073^2 + 9620^2 .

It is a cyclic number.

It is not a de Polignac number, because 495469729 - 2⁵ = 495469697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 495469729.

It is not a weakly prime, because it can be changed into another prime (495469769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247734864 + 247734865.

It is an arithmetic number, because the mean of its divisors is an integer number (247734865).

Almost surely, 2^495469729 is an apocalyptic number.

It is an amenable number.

495469729 is a deficient number, since it is larger than the sum of its proper divisors (1).

495469729 is an equidigital number, since it uses as much as digits as its factorization.

495469729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 55.

The square root of 495469729 is about 22259.1493323532. The cubic root of 495469729 is about 791.2961306042.

It can be divided in two parts, 49 and 5469729, that added together give a triangular number (5469778 = T₃₃₀₇).

The spelling of 495469729 in words is "four hundred ninety-five million, four hundred sixty-nine thousand, seven hundred twenty-nine".