613056506217 has 4 divisors (see below), whose sum is σ = 817408674960. Its totient is φ = 408704337476.

The previous prime is 613056506213. The next prime is 613056506263. The reversal of 613056506217 is 712605650316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 613056506217 - 2² = 613056506213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (613056506213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102176084367 + ... + 102176084372.

It is an arithmetic number, because the mean of its divisors is an integer number (204352168740).

Almost surely, 2^613056506217 is an apocalyptic number.

It is an amenable number.

613056506217 is a deficient number, since it is larger than the sum of its proper divisors (204352168743).

613056506217 is a wasteful number, since it uses less digits than its factorization.

613056506217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204352168742.

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 613056506217 in words is "six hundred thirteen billion, fifty-six million, five hundred six thousand, two hundred seventeen".