2011890632 has 16 divisors (see below), whose sum is σ = 3781524300. Its totient is φ = 1003484160.

The previous prime is 2011890599. The next prime is 2011890659. The reversal of 2011890632 is 2360981102.

It can be written as a sum of positive squares in 2 ways, for example, as 1337657476 + 674233156 = 36574^2 + 25966^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304169 + ... + 310712.

Almost surely, 2^2011890632 is an apocalyptic number.

It is an amenable number.

2011890632 is a deficient number, since it is larger than the sum of its proper divisors (1769633668).

2011890632 is a wasteful number, since it uses less digits than its factorization.

2011890632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615296 (or 615292 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2011890632 is about 44854.1038479201. The cubic root of 2011890632 is about 1262.4129941936.

The spelling of 2011890632 in words is "two billion, eleven million, eight hundred ninety thousand, six hundred thirty-two".