613556005345 has 8 divisors (see below), whose sum is σ = 737967595176. Its totient is φ = 489711211776.

The previous prime is 613556005339. The next prime is 613556005351. The reversal of 613556005345 is 543500655316.

It is an interprime number because it is at equal distance from previous prime (613556005339) and next prime (613556005351).

It can be written as a sum of positive squares in 4 ways, for example, as 6280245504 + 607275759841 = 79248^2 + 779279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 613556005345 - 2⁷ = 613556005217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141696682 + ... + 141701011.

It is an arithmetic number, because the mean of its divisors is an integer number (92245949397).

Almost surely, 2^613556005345 is an apocalyptic number.

It is an amenable number.

613556005345 is a deficient number, since it is larger than the sum of its proper divisors (124411589831).

613556005345 is a wasteful number, since it uses less digits than its factorization.

613556005345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283398131.

The product of its (nonzero) digits is 810000, while the sum is 43.

The spelling of 613556005345 in words is "six hundred thirteen billion, five hundred fifty-six million, five thousand, three hundred forty-five".