604581869 has 2 divisors, whose sum is σ = 604581870. Its totient is φ = 604581868.

The previous prime is 604581799. The next prime is 604581893. The reversal of 604581869 is 968185406.

604581869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303108100 + 301473769 = 17410^2 + 17363^2 .

It is a cyclic number.

It is not a de Polignac number, because 604581869 - 2¹⁶ = 604516333 is a prime.

It is a super-2 number, since 2×604581869² = 731038472647066322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (604581169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302290934 + 302290935.

It is an arithmetic number, because the mean of its divisors is an integer number (302290935).

Almost surely, 2^604581869 is an apocalyptic number.

It is an amenable number.

604581869 is a deficient number, since it is larger than the sum of its proper divisors (1).

604581869 is an equidigital number, since it uses as much as digits as its factorization.

604581869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 604581869 is about 24588.2465621280. The cubic root of 604581869 is about 845.5741666860.

The spelling of 604581869 in words is "six hundred four million, five hundred eighty-one thousand, eight hundred sixty-nine".