613442466709 has 2 divisors, whose sum is σ = 613442466710. Its totient is φ = 613442466708.

The previous prime is 613442466697. The next prime is 613442466713. The reversal of 613442466709 is 907664244316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 554176024900 + 59266441809 = 744430^2 + 243447^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613442466709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613442466809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306721233354 + 306721233355.

It is an arithmetic number, because the mean of its divisors is an integer number (306721233355).

Almost surely, 2^613442466709 is an apocalyptic number.

It is an amenable number.

613442466709 is a deficient number, since it is larger than the sum of its proper divisors (1).

613442466709 is an equidigital number, since it uses as much as digits as its factorization.

613442466709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 613442466709 in words is "six hundred thirteen billion, four hundred forty-two million, four hundred sixty-six thousand, seven hundred nine".