17138828969 has 2 divisors, whose sum is σ = 17138828970. Its totient is φ = 17138828968.

The previous prime is 17138828963. The next prime is 17138829041. The reversal of 17138828969 is 96982883171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14450924944 + 2687904025 = 120212^2 + 51845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17138828969 is a prime.

It is a super-2 number, since 2×17138828969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17138828963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8569414484 + 8569414485.

It is an arithmetic number, because the mean of its divisors is an integer number (8569414485).

Almost surely, 2^17138828969 is an apocalyptic number.

It is an amenable number.

17138828969 is a deficient number, since it is larger than the sum of its proper divisors (1).

17138828969 is an equidigital number, since it uses as much as digits as its factorization.

17138828969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 62.

The spelling of 17138828969 in words is "seventeen billion, one hundred thirty-eight million, eight hundred twenty-eight thousand, nine hundred sixty-nine".