2070650209 has 4 divisors (see below), whose sum is σ = 2101555504. Its totient is φ = 2039744916.

The previous prime is 2070650171. The next prime is 2070650213. The reversal of 2070650209 is 9020560702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2070650209 - 2²¹ = 2068553057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2070650249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15452547 + ... + 15452680.

It is an arithmetic number, because the mean of its divisors is an integer number (525388876).

Almost surely, 2^2070650209 is an apocalyptic number.

It is an amenable number.

2070650209 is a deficient number, since it is larger than the sum of its proper divisors (30905295).

2070650209 is an equidigital number, since it uses as much as digits as its factorization.

2070650209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30905294.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 2070650209 is about 45504.3976885751. The cubic root of 2070650209 is about 1274.5853238679.

The spelling of 2070650209 in words is "two billion, seventy million, six hundred fifty thousand, two hundred nine".