612443269744 has 20 divisors (see below), whose sum is σ = 1186744858200. Its totient is φ = 306186532160.

The previous prime is 612443269709. The next prime is 612443269813. The reversal of 612443269744 is 447962344216.

It is a junction number, because it is equal to n+sod(n) for n = 612443269691 and 612443269700.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 2049694 + ... + 2329405.

It is an arithmetic number, because the mean of its divisors is an integer number (59337242910).

Almost surely, 2^612443269744 is an apocalyptic number.

It is an amenable number.

612443269744 is a deficient number, since it is larger than the sum of its proper divisors (574301588456).

612443269744 is a wasteful number, since it uses less digits than its factorization.

612443269744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387848 (or 4387842 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 52.

The spelling of 612443269744 in words is "six hundred twelve billion, four hundred forty-three million, two hundred sixty-nine thousand, seven hundred forty-four".