613613216453 has 2 divisors, whose sum is σ = 613613216454. Its totient is φ = 613613216452.

The previous prime is 613613216407. The next prime is 613613216459. The reversal of 613613216453 is 354612316316.

613613216453 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., 580220405284 + 33392811169 = 761722^2 + 182737^2 .

It is a cyclic number.

It is not a de Polignac number, because 613613216453 - 2¹² = 613613212357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 613613216453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613613216459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306806608226 + 306806608227.

It is an arithmetic number, because the mean of its divisors is an integer number (306806608227).

Almost surely, 2^613613216453 is an apocalyptic number.

It is an amenable number.

613613216453 is a deficient number, since it is larger than the sum of its proper divisors (1).

613613216453 is an equidigital number, since it uses as much as digits as its factorization.

613613216453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 41.

The spelling of 613613216453 in words is "six hundred thirteen billion, six hundred thirteen million, two hundred sixteen thousand, four hundred fifty-three".