3609020489 has 2 divisors, whose sum is σ = 3609020490. Its totient is φ = 3609020488.

The previous prime is 3609020369. The next prime is 3609020533. The reversal of 3609020489 is 9840209063.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2270046025 + 1338974464 = 47645^2 + 36592^2 .

It is a cyclic number.

It is not a de Polignac number, because 3609020489 - 2²⁴ = 3592243273 is a prime.

It is not a weakly prime, because it can be changed into another prime (3609020089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1804510244 + 1804510245.

It is an arithmetic number, because the mean of its divisors is an integer number (1804510245).

Almost surely, 2^3609020489 is an apocalyptic number.

It is an amenable number.

3609020489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3609020489 is an equidigital number, since it uses as much as digits as its factorization.

3609020489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 3609020489 is about 60075.1237118993. The cubic root of 3609020489 is about 1533.8978870668.

The spelling of 3609020489 in words is "three billion, six hundred nine million, twenty thousand, four hundred eighty-nine".