495449641 has 2 divisors, whose sum is σ = 495449642. Its totient is φ = 495449640.

The previous prime is 495449627. The next prime is 495449663. The reversal of 495449641 is 146944594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441000000 + 54449641 = 21000^2 + 7379^2 .

It is a cyclic number.

It is not a de Polignac number, because 495449641 - 2¹¹ = 495447593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 495449591 and 495449600.

It is not a weakly prime, because it can be changed into another prime (495449621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247724820 + 247724821.

It is an arithmetic number, because the mean of its divisors is an integer number (247724821).

Almost surely, 2^495449641 is an apocalyptic number.

It is an amenable number.

495449641 is a deficient number, since it is larger than the sum of its proper divisors (1).

495449641 is an equidigital number, since it uses as much as digits as its factorization.

495449641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The square root of 495449641 is about 22258.6980975977. The cubic root of 495449641 is about 791.2854365291.

The spelling of 495449641 in words is "four hundred ninety-five million, four hundred forty-nine thousand, six hundred forty-one".