611623451744 has 12 divisors (see below), whose sum is σ = 1204133670684. Its totient is φ = 305811725856.

The previous prime is 611623451687. The next prime is 611623451749. The reversal of 611623451744 is 447154326116.

It is a junction number, because it is equal to n+sod(n) for n = 611623451695 and 611623451704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611623451749) 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 as a sum of consecutive naturals, namely, 9556616402 + ... + 9556616465.

It is an arithmetic number, because the mean of its divisors is an integer number (100344472557).

Almost surely, 2^611623451744 is an apocalyptic number.

It is an amenable number.

611623451744 is a deficient number, since it is larger than the sum of its proper divisors (592510218940).

611623451744 is a wasteful number, since it uses less digits than its factorization.

611623451744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19113232877 (or 19113232869 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The spelling of 611623451744 in words is "six hundred eleven billion, six hundred twenty-three million, four hundred fifty-one thousand, seven hundred forty-four".