612108282647 has 4 divisors (see below), whose sum is σ = 612656276856. Its totient is φ = 611560288440.

The previous prime is 612108282629. The next prime is 612108282649. The reversal of 612108282647 is 746282801216.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612108282647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612108282649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273995429 + ... + 273997662.

It is an arithmetic number, because the mean of its divisors is an integer number (153164069214).

Almost surely, 2^612108282647 is an apocalyptic number.

612108282647 is a deficient number, since it is larger than the sum of its proper divisors (547994209).

612108282647 is a wasteful number, since it uses less digits than its factorization.

612108282647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547994208.

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 612108282647 in words is "six hundred twelve billion, one hundred eight million, two hundred eighty-two thousand, six hundred forty-seven".