2051600709 has 8 divisors (see below), whose sum is σ = 2738182720. Its totient is φ = 1366376256.

The previous prime is 2051600699. The next prime is 2051600729. The reversal of 2051600709 is 9070061502.

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

It is not a de Polignac number, because 2051600709 - 2¹⁹ = 2051076421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051600729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335857 + ... + 341910.

It is an arithmetic number, because the mean of its divisors is an integer number (342272840).

Almost surely, 2^2051600709 is an apocalyptic number.

It is an amenable number.

2051600709 is a deficient number, since it is larger than the sum of its proper divisors (686582011).

2051600709 is a wasteful number, since it uses less digits than its factorization.

2051600709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678779.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 2051600709 is about 45294.5991151263. The cubic root of 2051600709 is about 1270.6646466240.

The spelling of 2051600709 in words is "two billion, fifty-one million, six hundred thousand, seven hundred nine".