613450737089 has 2 divisors, whose sum is σ = 613450737090. Its totient is φ = 613450737088.

The previous prime is 613450737083. The next prime is 613450737181. The reversal of 613450737089 is 980737054316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320237151025 + 293213586064 = 565895^2 + 541492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613450737089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 613450737089.

It is not a weakly prime, because it can be changed into another prime (613450737083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306725368544 + 306725368545.

It is an arithmetic number, because the mean of its divisors is an integer number (306725368545).

Almost surely, 2^613450737089 is an apocalyptic number.

It is an amenable number.

613450737089 is a deficient number, since it is larger than the sum of its proper divisors (1).

613450737089 is an equidigital number, since it uses as much as digits as its factorization.

613450737089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 613450737089 in words is "six hundred thirteen billion, four hundred fifty million, seven hundred thirty-seven thousand, eighty-nine".