450674213653 has 2 divisors, whose sum is σ = 450674213654. Its totient is φ = 450674213652.

The previous prime is 450674213651. The next prime is 450674213707. The reversal of 450674213653 is 356312476054.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407583926929 + 43090286724 = 638423^2 + 207582^2 .

It is a cyclic number.

It is not a de Polignac number, because 450674213653 - 2¹ = 450674213651 is a prime.

Together with 450674213651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450674213651) 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, 225337106826 + 225337106827.

It is an arithmetic number, because the mean of its divisors is an integer number (225337106827).

Almost surely, 2^450674213653 is an apocalyptic number.

It is an amenable number.

450674213653 is a deficient number, since it is larger than the sum of its proper divisors (1).

450674213653 is an equidigital number, since it uses as much as digits as its factorization.

450674213653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 450674213653 in words is "four hundred fifty billion, six hundred seventy-four million, two hundred thirteen thousand, six hundred fifty-three".