69612000389 has 2 divisors, whose sum is σ = 69612000390. Its totient is φ = 69612000388.

The previous prime is 69612000383. The next prime is 69612000391. The reversal of 69612000389 is 98300021696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52466193025 + 17145807364 = 229055^2 + 130942^2 .

It is a cyclic number.

It is not a de Polignac number, because 69612000389 - 2⁴ = 69612000373 is a prime.

It is a Sophie Germain prime.

Together with 69612000391, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69612000383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34806000194 + 34806000195.

It is an arithmetic number, because the mean of its divisors is an integer number (34806000195).

Almost surely, 2^69612000389 is an apocalyptic number.

It is an amenable number.

69612000389 is a deficient number, since it is larger than the sum of its proper divisors (1).

69612000389 is an equidigital number, since it uses as much as digits as its factorization.

69612000389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 69612000389 in words is "sixty-nine billion, six hundred twelve million, three hundred eighty-nine", and thus it is an aban number.