613505342044 has 48 divisors (see below), whose sum is σ = 1299759652800. Its totient is φ = 247355412480.

The previous prime is 613505342039. The next prime is 613505342053. The reversal of 613505342044 is 440243505316.

It is a junction number, because it is equal to n+sod(n) for n = 613505341994 and 613505342012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 803232 + ... + 1368280.

It is an arithmetic number, because the mean of its divisors is an integer number (27078326100).

Almost surely, 2^613505342044 is an apocalyptic number.

It is an amenable number.

613505342044 is an abundant number, since it is smaller than the sum of its proper divisors (686254310756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613505342044 is a wasteful number, since it uses less digits than its factorization.

613505342044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567358 (or 567356 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 613505342044 in words is "six hundred thirteen billion, five hundred five million, three hundred forty-two thousand, forty-four".