613311125389 has 2 divisors, whose sum is σ = 613311125390. Its totient is φ = 613311125388.

The previous prime is 613311125363. The next prime is 613311125429. The reversal of 613311125389 is 983521113316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508571512164 + 104739613225 = 713142^2 + 323635^2 .

It is a cyclic number.

It is not a de Polignac number, because 613311125389 - 2¹⁵ = 613311092621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613311125489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306655562694 + 306655562695.

It is an arithmetic number, because the mean of its divisors is an integer number (306655562695).

Almost surely, 2^613311125389 is an apocalyptic number.

It is an amenable number.

613311125389 is a deficient number, since it is larger than the sum of its proper divisors (1).

613311125389 is an equidigital number, since it uses as much as digits as its factorization.

613311125389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 43.

The spelling of 613311125389 in words is "six hundred thirteen billion, three hundred eleven million, one hundred twenty-five thousand, three hundred eighty-nine".