2061835805 has 8 divisors (see below), whose sum is σ = 2581777152. Its totient is φ = 1577752528.

The previous prime is 2061835799. The next prime is 2061835817. The reversal of 2061835805 is 5085381602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2061835805 - 2¹⁰ = 2061834781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8964389 + ... + 8964618.

It is an arithmetic number, because the mean of its divisors is an integer number (322722144).

Almost surely, 2^2061835805 is an apocalyptic number.

It is an amenable number.

2061835805 is a deficient number, since it is larger than the sum of its proper divisors (519941347).

2061835805 is a wasteful number, since it uses less digits than its factorization.

2061835805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17929035.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 2061835805 is about 45407.4421763658. The cubic root of 2061835805 is about 1272.7741875803.

The spelling of 2061835805 in words is "two billion, sixty-one million, eight hundred thirty-five thousand, eight hundred five".