2051027905 has 8 divisors (see below), whose sum is σ = 2466920232. Its totient is φ = 1637031168.

The previous prime is 2051027899. The next prime is 2051027933. The reversal of 2051027905 is 5097201502.

It can be written as a sum of positive squares in 4 ways, for example, as 130484929 + 1920542976 = 11423^2 + 43824^2 .

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 2051027905 - 2⁷ = 2051027777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471514 + ... + 475843.

It is an arithmetic number, because the mean of its divisors is an integer number (308365029).

Almost surely, 2^2051027905 is an apocalyptic number.

It is an amenable number.

2051027905 is a deficient number, since it is larger than the sum of its proper divisors (415892327).

2051027905 is an equidigital number, since it uses as much as digits as its factorization.

2051027905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947795.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 2051027905 is about 45288.2755798893. The cubic root of 2051027905 is about 1270.5463796959.

The spelling of 2051027905 in words is "two billion, fifty-one million, twenty-seven thousand, nine hundred five".