69344389 has 2 divisors, whose sum is σ = 69344390. Its totient is φ = 69344388.

The previous prime is 69344381. The next prime is 69344419. The reversal of 69344389 is 98344396.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48413764 + 20930625 = 6958^2 + 4575^2 .

It is a cyclic number.

It is not a de Polignac number, because 69344389 - 2³ = 69344381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69344381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34672194 + 34672195.

It is an arithmetic number, because the mean of its divisors is an integer number (34672195).

Almost surely, 2^69344389 is an apocalyptic number.

It is an amenable number.

69344389 is a deficient number, since it is larger than the sum of its proper divisors (1).

69344389 is an equidigital number, since it uses as much as digits as its factorization.

69344389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 46.

The square root of 69344389 is about 8327.3278427116. The cubic root of 69344389 is about 410.8378444820.

The spelling of 69344389 in words is "sixty-nine million, three hundred forty-four thousand, three hundred eighty-nine".