613321774604 has 48 divisors (see below), whose sum is σ = 1339132144896. Its totient is φ = 238782331200.

The previous prime is 613321774603. The next prime is 613321774613. The reversal of 613321774604 is 406477123316.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (613321774603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302282 + ... + 1148049.

It is an arithmetic number, because the mean of its divisors is an integer number (27898586352).

Almost surely, 2^613321774604 is an apocalyptic number.

It is an amenable number.

613321774604 is an abundant number, since it is smaller than the sum of its proper divisors (725810370292).

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

613321774604 is a wasteful number, since it uses less digits than its factorization.

613321774604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451726 (or 1451724 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 613321774604 in words is "six hundred thirteen billion, three hundred twenty-one million, seven hundred seventy-four thousand, six hundred four".