319000069 has 2 divisors, whose sum is σ = 319000070. Its totient is φ = 319000068.

The previous prime is 319000061. The next prime is 319000091. The reversal of 319000069 is 960000913.

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., 260661025 + 58339044 = 16145^2 + 7638^2 .

It is an emirp because it is prime and its reverse (960000913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 319000069 - 2³ = 319000061 is a prime.

It is a super-2 number, since 2×319000069² = 203522088044009522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319000061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159500034 + 159500035.

It is an arithmetic number, because the mean of its divisors is an integer number (159500035).

Almost surely, 2^319000069 is an apocalyptic number.

It is an amenable number.

319000069 is a deficient number, since it is larger than the sum of its proper divisors (1).

319000069 is an equidigital number, since it uses as much as digits as its factorization.

319000069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 319000069 is about 17860.5730311208. The cubic root of 319000069 is about 683.2771944891.

The spelling of 319000069 in words is "three hundred nineteen million, sixty-nine", and thus it is an aban number.