693228469 has 2 divisors, whose sum is σ = 693228470. Its totient is φ = 693228468.

The previous prime is 693228463. The next prime is 693228491. The reversal of 693228469 is 964822396.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 689850225 + 3378244 = 26265^2 + 1838^2 .

It is a cyclic number.

It is not a de Polignac number, because 693228469 - 2¹³ = 693220277 is a prime.

It is a super-2 number, since 2×693228469² = 961131420464167922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (693228463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346614234 + 346614235.

It is an arithmetic number, because the mean of its divisors is an integer number (346614235).

Almost surely, 2^693228469 is an apocalyptic number.

It is an amenable number.

693228469 is a deficient number, since it is larger than the sum of its proper divisors (1).

693228469 is an equidigital number, since it uses as much as digits as its factorization.

693228469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 49.

The square root of 693228469 is about 26329.2322144038. The cubic root of 693228469 is about 885.0316389893.

The spelling of 693228469 in words is "six hundred ninety-three million, two hundred twenty-eight thousand, four hundred sixty-nine".