612651726342 has 48 divisors (see below), whose sum is σ = 1410298053840. Its totient is φ = 191846200896.

The previous prime is 612651726329. The next prime is 612651726343. The reversal of 612651726342 is 243627156216.

612651726342 is a `hidden beast` number, since 6 + 1 + 2 + 6 + 5 + 1 + 7 + 2 + 634 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612651726343) 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 23 ways as a sum of consecutive naturals, for example, 15840988 + ... + 15879615.

It is an arithmetic number, because the mean of its divisors is an integer number (29381209455).

Almost surely, 2^612651726342 is an apocalyptic number.

612651726342 is an abundant number, since it is smaller than the sum of its proper divisors (797646327498).

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

612651726342 is a wasteful number, since it uses less digits than its factorization.

612651726342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31720677 (or 31720674 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 612651726342 in words is "six hundred twelve billion, six hundred fifty-one million, seven hundred twenty-six thousand, three hundred forty-two".