2050866290 has 16 divisors (see below), whose sum is σ = 4027155840. Its totient is φ = 745769520.

The previous prime is 2050866263. The next prime is 2050866329. The reversal of 2050866290 is 926680502.

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, 9322010 + ... + 9322229.

It is an arithmetic number, because the mean of its divisors is an integer number (251697240).

Almost surely, 2^2050866290 is an apocalyptic number.

2050866290 is a deficient number, since it is larger than the sum of its proper divisors (1976289550).

2050866290 is a wasteful number, since it uses less digits than its factorization.

2050866290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18644257.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 2050866290 is about 45286.4912529112. The cubic root of 2050866290 is about 1270.5130070398.

The spelling of 2050866290 in words is "two billion, fifty million, eight hundred sixty-six thousand, two hundred ninety".