654443262344453 has 2 divisors, whose sum is σ = 654443262344454. Its totient is φ = 654443262344452.

The previous prime is 654443262344441. The next prime is 654443262344461. The reversal of 654443262344453 is 354443262344456.

654443262344453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 548997843074209 + 105445419270244 = 23430703^2 + 10268662^2 .

It is a cyclic number.

It is not a de Polignac number, because 654443262344453 - 2⁴ = 654443262344437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 654443262344392 and 654443262344401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654443262344413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327221631172226 + 327221631172227.

It is an arithmetic number, because the mean of its divisors is an integer number (327221631172227).

Almost surely, 2^{654443262344453} is an apocalyptic number.

It is an amenable number.

654443262344453 is a deficient number, since it is larger than the sum of its proper divisors (1).

654443262344453 is an equidigital number, since it uses as much as digits as its factorization.

654443262344453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 398131200, while the sum is 59.

The spelling of 654443262344453 in words is "six hundred fifty-four trillion, four hundred forty-three billion, two hundred sixty-two million, three hundred forty-four thousand, four hundred fifty-three".