2050992581 has 8 divisors (see below), whose sum is σ = 2309622528. Its totient is φ = 1804392000.

The previous prime is 2050992553. The next prime is 2050992583. The reversal of 2050992581 is 1852990502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2050992581 - 2²² = 2046798277 is a prime.

It is a super-2 number, since 2×2050992581² = 8413141134634083122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050992583) by changing a digit.

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, 3006980 + ... + 3007661.

It is an arithmetic number, because the mean of its divisors is an integer number (288702816).

Almost surely, 2^2050992581 is an apocalyptic number.

It is an amenable number.

2050992581 is a deficient number, since it is larger than the sum of its proper divisors (258629947).

2050992581 is a wasteful number, since it uses less digits than its factorization.

2050992581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6014683.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 2050992581 is about 45287.8855876492. The cubic root of 2050992581 is about 1270.5390856235.

The spelling of 2050992581 in words is "two billion, fifty million, nine hundred ninety-two thousand, five hundred eighty-one".