268069829 has 2 divisors, whose sum is σ = 268069830. Its totient is φ = 268069828.

The previous prime is 268069819. The next prime is 268069873. The reversal of 268069829 is 928960862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263185729 + 4884100 = 16223^2 + 2210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268069829 is a prime.

It is a super-2 number, since 2×268069829² = 143722866440178482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268069819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134034914 + 134034915.

It is an arithmetic number, because the mean of its divisors is an integer number (134034915).

Almost surely, 2^268069829 is an apocalyptic number.

It is an amenable number.

268069829 is a deficient number, since it is larger than the sum of its proper divisors (1).

268069829 is an equidigital number, since it uses as much as digits as its factorization.

268069829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 268069829 is about 16372.8381473708. The cubic root of 268069829 is about 644.7865639973.

The spelling of 268069829 in words is "two hundred sixty-eight million, sixty-nine thousand, eight hundred twenty-nine".