612436339147 has 4 divisors (see below), whose sum is σ = 612547555176. Its totient is φ = 612325123120.

The previous prime is 612436339121. The next prime is 612436339157. The reversal of 612436339147 is 741933634216.

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

It is a cyclic number.

It is not a de Polignac number, because 612436339147 - 2³¹ = 610288855499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612436339147.

It is not an unprimeable number, because it can be changed into a prime (612436339157) 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 3 ways as a sum of consecutive naturals, for example, 55599754 + ... + 55610767.

It is an arithmetic number, because the mean of its divisors is an integer number (153136888794).

Almost surely, 2^612436339147 is an apocalyptic number.

612436339147 is a deficient number, since it is larger than the sum of its proper divisors (111216029).

612436339147 is a wasteful number, since it uses less digits than its factorization.

612436339147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111216028.

The product of its digits is 1959552, while the sum is 49.

The spelling of 612436339147 in words is "six hundred twelve billion, four hundred thirty-six million, three hundred thirty-nine thousand, one hundred forty-seven".