495447737 has 2 divisors, whose sum is σ = 495447738. Its totient is φ = 495447736.

The previous prime is 495447661. The next prime is 495447739. The reversal of 495447737 is 737744594.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 471280681 + 24167056 = 21709^2 + 4916^2 .

It is a cyclic number.

It is not a de Polignac number, because 495447737 - 2⁸ = 495447481 is a prime.

Together with 495447739, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (495447739) 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, 247723868 + 247723869.

It is an arithmetic number, because the mean of its divisors is an integer number (247723869).

Almost surely, 2^495447737 is an apocalyptic number.

It is an amenable number.

495447737 is a deficient number, since it is larger than the sum of its proper divisors (1).

495447737 is an equidigital number, since it uses as much as digits as its factorization.

495447737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2963520, while the sum is 50.

The square root of 495447737 is about 22258.6553277596. The cubic root of 495447737 is about 791.2844228981.

The spelling of 495447737 in words is "four hundred ninety-five million, four hundred forty-seven thousand, seven hundred thirty-seven".