613949649104 has 40 divisors (see below), whose sum is σ = 1319660670240. Its totient is φ = 274338051200.

The previous prime is 613949648993. The next prime is 613949649127. The reversal of 613949649104 is 401946949316.

It is a self number, because there is not a number n which added to its sum of digits gives 613949649104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29551907 + ... + 29572674.

It is an arithmetic number, because the mean of its divisors is an integer number (32991516756).

Almost surely, 2^613949649104 is an apocalyptic number.

It is an amenable number.

613949649104 is an abundant number, since it is smaller than the sum of its proper divisors (705711021136).

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

613949649104 is a wasteful number, since it uses less digits than its factorization.

613949649104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59124659 (or 59124653 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 56.

The spelling of 613949649104 in words is "six hundred thirteen billion, nine hundred forty-nine million, six hundred forty-nine thousand, one hundred four".