612375876842 has 4 divisors (see below), whose sum is σ = 918563815266. Its totient is φ = 306187938420.

The previous prime is 612375876839. The next prime is 612375876857. The reversal of 612375876842 is 248678573216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 405642883801 + 206732993041 = 636901^2 + 454679^2 .

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 as a sum of consecutive naturals, namely, 153093969209 + ... + 153093969212.

Almost surely, 2^612375876842 is an apocalyptic number.

612375876842 is a deficient number, since it is larger than the sum of its proper divisors (306187938424).

612375876842 is a wasteful number, since it uses less digits than its factorization.

612375876842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306187938423.

The product of its digits is 27095040, while the sum is 59.

The spelling of 612375876842 in words is "six hundred twelve billion, three hundred seventy-five million, eight hundred seventy-six thousand, eight hundred forty-two".