2684405061 has 48 divisors (see below), whose sum is σ = 4233670896. Its totient is φ = 1629186048.

The previous prime is 2684405057. The next prime is 2684405099. The reversal of 2684405061 is 1605044862.

It can be written as a sum of positive squares in 8 ways, for example, as 371756961 + 2312648100 = 19281^2 + 48090^2 .

It is not a de Polignac number, because 2684405061 - 2² = 2684405057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684405011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3661851 + ... + 3662583.

It is an arithmetic number, because the mean of its divisors is an integer number (88201477).

Almost surely, 2^2684405061 is an apocalyptic number.

It is an amenable number.

2684405061 is a deficient number, since it is larger than the sum of its proper divisors (1549265835).

2684405061 is a wasteful number, since it uses less digits than its factorization.

2684405061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 2684405061 is about 51811.2445420876. The cubic root of 2684405061 is about 1389.7905350047.

The spelling of 2684405061 in words is "two billion, six hundred eighty-four million, four hundred five thousand, sixty-one".