613680237426 has 16 divisors (see below), whose sum is σ = 1228473235584. Its totient is φ = 204374619024.

The previous prime is 613680237353. The next prime is 613680237439. The reversal of 613680237426 is 624732086316.

It is a super-4 number, since 4×613680237426⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 46357861 + ... + 46371096.

It is an arithmetic number, because the mean of its divisors is an integer number (76779577224).

Almost surely, 2^613680237426 is an apocalyptic number.

613680237426 is an abundant number, since it is smaller than the sum of its proper divisors (614792998158).

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

613680237426 is a wasteful number, since it uses less digits than its factorization.

613680237426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92730065.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 613680237426 in words is "six hundred thirteen billion, six hundred eighty million, two hundred thirty-seven thousand, four hundred twenty-six".