2070708509 has 2 divisors, whose sum is σ = 2070708510. Its totient is φ = 2070708508.

The previous prime is 2070708503. The next prime is 2070708517. The reversal of 2070708509 is 9058070702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1709822500 + 360886009 = 41350^2 + 18997^2 .

It is a cyclic number.

It is not a de Polignac number, because 2070708509 - 2¹² = 2070704413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2070708503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035354254 + 1035354255.

It is an arithmetic number, because the mean of its divisors is an integer number (1035354255).

Almost surely, 2^2070708509 is an apocalyptic number.

It is an amenable number.

2070708509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2070708509 is an equidigital number, since it uses as much as digits as its factorization.

2070708509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 2070708509 is about 45505.0382814914. The cubic root of 2070708509 is about 1274.5972859120.

The spelling of 2070708509 in words is "two billion, seventy million, seven hundred eight thousand, five hundred nine".