548620045453 has 2 divisors, whose sum is σ = 548620045454. Its totient is φ = 548620045452.

The previous prime is 548620045349. The next prime is 548620045459. The reversal of 548620045453 is 354540026845.

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., 365283645769 + 183336399684 = 604387^2 + 428178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548620045453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548620045459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274310022726 + 274310022727.

It is an arithmetic number, because the mean of its divisors is an integer number (274310022727).

Almost surely, 2^548620045453 is an apocalyptic number.

It is an amenable number.

548620045453 is a deficient number, since it is larger than the sum of its proper divisors (1).

548620045453 is an equidigital number, since it uses as much as digits as its factorization.

548620045453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304000, while the sum is 46.

The spelling of 548620045453 in words is "five hundred forty-eight billion, six hundred twenty million, forty-five thousand, four hundred fifty-three".