613556344223 has 4 divisors (see below), whose sum is σ = 616189633488. Its totient is φ = 610923054960.

The previous prime is 613556344183. The next prime is 613556344231. The reversal of 613556344223 is 322443655316.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 613556344223 - 2¹² = 613556340127 is a prime.

It is a super-3 number, since 3×613556344223³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613556344253) 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, 1316644283 + ... + 1316644748.

It is an arithmetic number, because the mean of its divisors is an integer number (154047408372).

Almost surely, 2^613556344223 is an apocalyptic number.

613556344223 is a deficient number, since it is larger than the sum of its proper divisors (2633289265).

613556344223 is a wasteful number, since it uses less digits than its factorization.

613556344223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633289264.

The product of its digits is 1555200, while the sum is 44.

Adding to 613556344223 its reverse (322443655316), we get a palindrome (935999999539).

The spelling of 613556344223 in words is "six hundred thirteen billion, five hundred fifty-six million, three hundred forty-four thousand, two hundred twenty-three".