2039887609 has 2 divisors, whose sum is σ = 2039887610. Its totient is φ = 2039887608.

The previous prime is 2039887573. The next prime is 2039887627. The reversal of 2039887609 is 9067889302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1071121984 + 968765625 = 32728^2 + 31125^2 .

It is a cyclic number.

It is not a de Polignac number, because 2039887609 - 2¹³ = 2039879417 is a prime.

It is a super-2 number, since 2×2039887609² = 8322282914703473762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2039887679) 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 as a sum of consecutive naturals, namely, 1019943804 + 1019943805.

It is an arithmetic number, because the mean of its divisors is an integer number (1019943805).

Almost surely, 2^2039887609 is an apocalyptic number.

It is an amenable number.

2039887609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2039887609 is an equidigital number, since it uses as much as digits as its factorization.

2039887609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 2039887609 is about 45165.1149561252. The cubic root of 2039887609 is about 1268.2418495402.

The spelling of 2039887609 in words is "two billion, thirty-nine million, eight hundred eighty-seven thousand, six hundred nine".