2076858709 has 2 divisors, whose sum is σ = 2076858710. Its totient is φ = 2076858708.

The previous prime is 2076858683. The next prime is 2076858743. The reversal of 2076858709 is 9078586702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1824144100 + 252714609 = 42710^2 + 15897^2 .

It is a cyclic number.

It is not a de Polignac number, because 2076858709 - 2¹⁷ = 2076727637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2076858109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1038429354 + 1038429355.

It is an arithmetic number, because the mean of its divisors is an integer number (1038429355).

Almost surely, 2^2076858709 is an apocalyptic number.

It is an amenable number.

2076858709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2076858709 is an equidigital number, since it uses as much as digits as its factorization.

2076858709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The square root of 2076858709 is about 45572.5653107218. The cubic root of 2076858709 is about 1275.8579301294.

The spelling of 2076858709 in words is "two billion, seventy-six million, eight hundred fifty-eight thousand, seven hundred nine".