69000689 has 2 divisors, whose sum is σ = 69000690. Its totient is φ = 69000688.

The previous prime is 69000661. The next prime is 69000697. The reversal of 69000689 is 98600096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40857664 + 28143025 = 6392^2 + 5305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69000689 is a prime.

It is a super-2 number, since 2×69000689² = 9522190164949442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (69000619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34500344 + 34500345.

It is an arithmetic number, because the mean of its divisors is an integer number (34500345).

Almost surely, 2^69000689 is an apocalyptic number.

It is an amenable number.

69000689 is a deficient number, since it is larger than the sum of its proper divisors (1).

69000689 is an equidigital number, since it uses as much as digits as its factorization.

69000689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 69000689 is about 8306.6653357409. The cubic root of 69000689 is about 410.1579581729.

The spelling of 69000689 in words is "sixty-nine million, six hundred eighty-nine", and thus it is an aban number.