2051005650 has 24 divisors (see below), whose sum is σ = 5086494384. Its totient is φ = 546934800.

The previous prime is 2051005637. The next prime is 2051005667. The reversal of 2051005650 is 565001502.

It is a self number, because there is not a number n which added to its sum of digits gives 2051005650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6836536 + ... + 6836835.

It is an arithmetic number, because the mean of its divisors is an integer number (211937266).

Almost surely, 2^2051005650 is an apocalyptic number.

2051005650 is an abundant number, since it is smaller than the sum of its proper divisors (3035488734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051005650 is a wasteful number, since it uses less digits than its factorization.

2051005650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13673386 (or 13673381 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 2051005650 is about 45288.0298754538. The cubic root of 2051005650 is about 1270.5417842584.

The spelling of 2051005650 in words is "two billion, fifty-one million, five thousand, six hundred fifty".