2039386209 has 16 divisors (see below), whose sum is σ = 3108266880. Its totient is φ = 1165127040.

The previous prime is 2039386199. The next prime is 2039386213. The reversal of 2039386209 is 9026839302.

It is not a de Polignac number, because 2039386209 - 2¹³ = 2039378017 is a prime.

It is a super-2 number, since 2×2039386209² = 8318192218918783362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2039386309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200179 + ... + 210119.

It is an arithmetic number, because the mean of its divisors is an integer number (194266680).

Almost surely, 2^2039386209 is an apocalyptic number.

It is an amenable number.

2039386209 is a deficient number, since it is larger than the sum of its proper divisors (1068880671).

2039386209 is an equidigital number, since it uses as much as digits as its factorization.

2039386209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19720.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 2039386209 is about 45159.5638707904. The cubic root of 2039386209 is about 1268.1379306497.

The spelling of 2039386209 in words is "two billion, thirty-nine million, three hundred eighty-six thousand, two hundred nine".