613311125429 has 2 divisors, whose sum is σ = 613311125430. Its totient is φ = 613311125428.

The previous prime is 613311125389. The next prime is 613311125437. The reversal of 613311125429 is 924521113316.

It is a happy number.

613311125429 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., 536014336900 + 77296788529 = 732130^2 + 278023^2 .

It is a cyclic number.

It is not a de Polignac number, because 613311125429 - 2²⁰ = 613310076853 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 = 613311125392 and 613311125401.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 306655562714 + 306655562715.

It is an arithmetic number, because the mean of its divisors is an integer number (306655562715).

Almost surely, 2^613311125429 is an apocalyptic number.

It is an amenable number.

613311125429 is a deficient number, since it is larger than the sum of its proper divisors (1).

613311125429 is an equidigital number, since it uses as much as digits as its factorization.

613311125429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 38.

The spelling of 613311125429 in words is "six hundred thirteen billion, three hundred eleven million, one hundred twenty-five thousand, four hundred twenty-nine".