328243834613 has 2 divisors, whose sum is σ = 328243834614. Its totient is φ = 328243834612.

The previous prime is 328243834591. The next prime is 328243834627. The reversal of 328243834613 is 316438342823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227530908004 + 100712926609 = 477002^2 + 317353^2 .

It is a cyclic number.

It is not a de Polignac number, because 328243834613 - 2⁶ = 328243834549 is a prime.

It is a super-2 number, since 2×328243834613² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328243834673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164121917306 + 164121917307.

It is an arithmetic number, because the mean of its divisors is an integer number (164121917307).

Almost surely, 2^328243834613 is an apocalyptic number.

It is an amenable number.

328243834613 is a deficient number, since it is larger than the sum of its proper divisors (1).

328243834613 is an equidigital number, since it uses as much as digits as its factorization.

328243834613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 47.

The spelling of 328243834613 in words is "three hundred twenty-eight billion, two hundred forty-three million, eight hundred thirty-four thousand, six hundred thirteen".