2070841909 has 2 divisors, whose sum is σ = 2070841910. Its totient is φ = 2070841908.

The previous prime is 2070841897. The next prime is 2070841951. The reversal of 2070841909 is 9091480702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2069977009 + 864900 = 45497^2 + 930^2 .

It is a cyclic number.

It is not a de Polignac number, because 2070841909 - 2⁹ = 2070841397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2070841979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035420954 + 1035420955.

It is an arithmetic number, because the mean of its divisors is an integer number (1035420955).

Almost surely, 2^2070841909 is an apocalyptic number.

It is an amenable number.

2070841909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2070841909 is an equidigital number, since it uses as much as digits as its factorization.

2070841909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 2070841909 is about 45506.5040296439. The cubic root of 2070841909 is about 1274.6246561939.

The spelling of 2070841909 in words is "two billion, seventy million, eight hundred forty-one thousand, nine hundred nine".