2084641685 has 32 divisors (see below), whose sum is σ = 3027843072. Its totient is φ = 1346875200.

The previous prime is 2084641681. The next prime is 2084641693. The reversal of 2084641685 is 5861464802.

It is a happy number.

It is not a de Polignac number, because 2084641685 - 2² = 2084641681 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2084641681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34610 + ... + 73260.

It is an arithmetic number, because the mean of its divisors is an integer number (94620096).

Almost surely, 2^2084641685 is an apocalyptic number.

It is an amenable number.

2084641685 is a deficient number, since it is larger than the sum of its proper divisors (943201387).

2084641685 is a wasteful number, since it uses less digits than its factorization.

2084641685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38753.

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 2084641685 is about 45657.8764836912. The cubic root of 2084641685 is about 1277.4496919667.

The spelling of 2084641685 in words is "two billion, eighty-four million, six hundred forty-one thousand, six hundred eighty-five".