613748886241 has 2 divisors, whose sum is σ = 613748886242. Its totient is φ = 613748886240.

The previous prime is 613748886217. The next prime is 613748886287. The reversal of 613748886241 is 142688847316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 457522371216 + 156226515025 = 676404^2 + 395255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613748886241 is a prime.

It is a super-2 number, since 2×613748886241² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (613748886041) 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, 306874443120 + 306874443121.

It is an arithmetic number, because the mean of its divisors is an integer number (306874443121).

Almost surely, 2^613748886241 is an apocalyptic number.

It is an amenable number.

613748886241 is a deficient number, since it is larger than the sum of its proper divisors (1).

613748886241 is an equidigital number, since it uses as much as digits as its factorization.

613748886241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12386304, while the sum is 58.

The spelling of 613748886241 in words is "six hundred thirteen billion, seven hundred forty-eight million, eight hundred eighty-six thousand, two hundred forty-one".