2000719709 has 2 divisors, whose sum is σ = 2000719710. Its totient is φ = 2000719708.

The previous prime is 2000719697. The next prime is 2000719711. The reversal of 2000719709 is 9079170002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1434136900 + 566582809 = 37870^2 + 23803^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000719709 is a prime.

Together with 2000719711, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000719729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000359854 + 1000359855.

It is an arithmetic number, because the mean of its divisors is an integer number (1000359855).

Almost surely, 2^2000719709 is an apocalyptic number.

It is an amenable number.

2000719709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000719709 is an equidigital number, since it uses as much as digits as its factorization.

2000719709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 2000719709 is about 44729.4054174656. The cubic root of 2000719709 is about 1260.0721611901.

The spelling of 2000719709 in words is "two billion, seven hundred nineteen thousand, seven hundred nine".