69382409 has 2 divisors, whose sum is σ = 69382410. Its totient is φ = 69382408.

The previous prime is 69382399. The next prime is 69382427. The reversal of 69382409 is 90428396.

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., 43930384 + 25452025 = 6628^2 + 5045^2 .

It is a cyclic number.

It is not a de Polignac number, because 69382409 - 2²⁰ = 68333833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (69382109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34691204 + 34691205.

It is an arithmetic number, because the mean of its divisors is an integer number (34691205).

Almost surely, 2^69382409 is an apocalyptic number.

It is an amenable number.

69382409 is a deficient number, since it is larger than the sum of its proper divisors (1).

69382409 is an equidigital number, since it uses as much as digits as its factorization.

69382409 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 69382409 is about 8329.6103750416. The cubic root of 69382409 is about 410.9129152087.

The spelling of 69382409 in words is "sixty-nine million, three hundred eighty-two thousand, four hundred nine".