613045660261 has 8 divisors (see below), whose sum is σ = 621839234304. Its totient is φ = 604262780640.

The previous prime is 613045660247. The next prime is 613045660267. The reversal of 613045660261 is 162066540316.

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 613045660261 - 2¹¹ = 613045658213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613045660267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2558101 + ... + 2787466.

It is an arithmetic number, because the mean of its divisors is an integer number (77729904288).

Almost surely, 2^613045660261 is an apocalyptic number.

It is an amenable number.

613045660261 is a deficient number, since it is larger than the sum of its proper divisors (8793574043).

613045660261 is a wasteful number, since it uses less digits than its factorization.

613045660261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5347211.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 613045660261 in words is "six hundred thirteen billion, forty-five million, six hundred sixty thousand, two hundred sixty-one".