613620001684 has 36 divisors (see below), whose sum is σ = 1122798399156. Its totient is φ = 293406391168.

The previous prime is 613620001667. The next prime is 613620001691. The reversal of 613620001684 is 486100026316.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 418893728400 + 194726273284 = 647220^2 + 441278^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10493712 + ... + 10552024.

It is an arithmetic number, because the mean of its divisors is an integer number (31188844421).

Almost surely, 2^613620001684 is an apocalyptic number.

It is an amenable number.

613620001684 is a deficient number, since it is larger than the sum of its proper divisors (509178397472).

613620001684 is a wasteful number, since it uses less digits than its factorization.

613620001684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63336 (or 63311 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 613620001684 in words is "six hundred thirteen billion, six hundred twenty million, one thousand, six hundred eighty-four".