613544220556 has 6 divisors (see below), whose sum is σ = 1073702385980. Its totient is φ = 306772110276.

The previous prime is 613544220533. The next prime is 613544220557. The reversal of 613544220556 is 655022445316.

It is not an unprimeable number, because it can be changed into a prime (613544220557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76693027566 + ... + 76693027573.

Almost surely, 2^613544220556 is an apocalyptic number.

It is an amenable number.

613544220556 is a deficient number, since it is larger than the sum of its proper divisors (460158165424).

613544220556 is a wasteful number, since it uses less digits than its factorization.

613544220556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153386055143 (or 153386055141 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 613544220556 in words is "six hundred thirteen billion, five hundred forty-four million, two hundred twenty thousand, five hundred fifty-six".