2061704836 has 27 divisors (see below), whose sum is σ = 3669885093. Its totient is φ = 1013461920.

The previous prime is 2061704831. The next prime is 2061704849. The reversal of 2061704836 is 6384071602.

The square root of 2061704836 is 45406.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1170324100 + 891380736 = 34210^2 + 29856^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2061704795 and 2061704804.

It is not an unprimeable number, because it can be changed into a prime (2061704831) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6629121 + ... + 6629431.

Almost surely, 2^2061704836 is an apocalyptic number.

2061704836 is the 45406-th square number.

It is an amenable number.

2061704836 is a deficient number, since it is larger than the sum of its proper divisors (1608180257).

2061704836 is an frugal number, since it uses more digits than its factorization.

2061704836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The cubic root of 2061704836 is about 1272.7472378927.

The spelling of 2061704836 in words is "two billion, sixty-one million, seven hundred four thousand, eight hundred thirty-six".