450644797 has 2 divisors, whose sum is σ = 450644798. Its totient is φ = 450644796.

The previous prime is 450644741. The next prime is 450644807. The reversal of 450644797 is 797446054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390023001 + 60621796 = 19749^2 + 7786^2 .

It is a cyclic number.

It is not a de Polignac number, because 450644797 - 2⁷ = 450644669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450644707) 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, 225322398 + 225322399.

It is an arithmetic number, because the mean of its divisors is an integer number (225322399).

Almost surely, 2^450644797 is an apocalyptic number.

It is an amenable number.

450644797 is a deficient number, since it is larger than the sum of its proper divisors (1).

450644797 is an equidigital number, since it uses as much as digits as its factorization.

450644797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 450644797 is about 21228.3960062931. The cubic root of 450644797 is about 766.6752681035.

The spelling of 450644797 in words is "four hundred fifty million, six hundred forty-four thousand, seven hundred ninety-seven".