2051530636 has 24 divisors (see below), whose sum is σ = 3677558976. Its totient is φ = 1000930560.

The previous prime is 2051530627. The next prime is 2051530651. The reversal of 2051530636 is 6360351502.

It is a junction number, because it is equal to n+sod(n) for n = 2051530598 and 2051530607.

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 7 ways as a sum of consecutive naturals, for example, 47166 + ... + 79546.

It is an arithmetic number, because the mean of its divisors is an integer number (153231624).

Almost surely, 2^2051530636 is an apocalyptic number.

It is an amenable number.

2051530636 is a deficient number, since it is larger than the sum of its proper divisors (1626028340).

2051530636 is a wasteful number, since it uses less digits than its factorization.

2051530636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32769 (or 32767 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 2051530636 is about 45293.8255836267. The cubic root of 2051530636 is about 1270.6501798230.

The spelling of 2051530636 in words is "two billion, fifty-one million, five hundred thirty thousand, six hundred thirty-six".