611044749684 has 36 divisors (see below), whose sum is σ = 1569906416260. Its totient is φ = 200342540160.

The previous prime is 611044749613. The next prime is 611044749701. The reversal of 611044749684 is 486947440116.

611044749684 is a `hidden beast` number, since 6 + 1 + 1 + 0 + 4 + 474 + 96 + 84 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 120008202084 + 491036547600 = 346422^2 + 700740^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×611044749684² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 611044749684.

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 11 ways as a sum of consecutive naturals, for example, 139124569 + ... + 139128960.

Almost surely, 2^611044749684 is an apocalyptic number.

It is an amenable number.

611044749684 is an abundant number, since it is smaller than the sum of its proper divisors (958861666576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611044749684 is a wasteful number, since it uses less digits than its factorization.

611044749684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278253600 (or 278253595 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 611044749684 in words is "six hundred eleven billion, forty-four million, seven hundred forty-nine thousand, six hundred eighty-four".