613430825918 has 8 divisors (see below), whose sum is σ = 922281150240. Its totient is φ = 306003775840.

The previous prime is 613430825897. The next prime is 613430825957. The reversal of 613430825918 is 819528034316.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355817483 + ... + 355819206.

It is an arithmetic number, because the mean of its divisors is an integer number (115285143780).

Almost surely, 2^613430825918 is an apocalyptic number.

613430825918 is a deficient number, since it is larger than the sum of its proper divisors (308850324322).

613430825918 is a wasteful number, since it uses less digits than its factorization.

613430825918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711637122.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 613430825918 in words is "six hundred thirteen billion, four hundred thirty million, eight hundred twenty-five thousand, nine hundred eighteen".