69069289 has 2 divisors, whose sum is σ = 69069290. Its totient is φ = 69069288.

The previous prime is 69069281. The next prime is 69069293. The reversal of 69069289 is 98296096.

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., 42029289 + 27040000 = 6483^2 + 5200^2 .

It is a cyclic number.

It is not a de Polignac number, because 69069289 - 2³ = 69069281 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (69069281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34534644 + 34534645.

It is an arithmetic number, because the mean of its divisors is an integer number (34534645).

Almost surely, 2^69069289 is an apocalyptic number.

It is an amenable number.

69069289 is a deficient number, since it is larger than the sum of its proper divisors (1).

69069289 is an equidigital number, since it uses as much as digits as its factorization.

69069289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 69069289 is about 8310.7935240866. The cubic root of 69069289 is about 410.2938385388.

The spelling of 69069289 in words is "sixty-nine million, sixty-nine thousand, two hundred eighty-nine".