611459649812 has 24 divisors (see below), whose sum is σ = 1167718974240. Its totient is φ = 277844081760.

The previous prime is 611459649803. The next prime is 611459649817. The reversal of 611459649812 is 218946954116.

It is a happy number.

611459649812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611459649817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2168723 + ... + 2434394.

It is an arithmetic number, because the mean of its divisors is an integer number (48654957260).

Almost surely, 2^611459649812 is an apocalyptic number.

It is an amenable number.

611459649812 is a deficient number, since it is larger than the sum of its proper divisors (556259324428).

611459649812 is a wasteful number, since it uses less digits than its factorization.

611459649812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606151 (or 4606149 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 56.

The spelling of 611459649812 in words is "six hundred eleven billion, four hundred fifty-nine million, six hundred forty-nine thousand, eight hundred twelve".