268274329 has 2 divisors, whose sum is σ = 268274330. Its totient is φ = 268274328.

The previous prime is 268274269. The next prime is 268274339. The reversal of 268274329 is 923472862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191185929 + 77088400 = 13827^2 + 8780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268274329 is a prime.

It is a super-2 number, since 2×268274329² = 143942231200800482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (268274339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134137164 + 134137165.

It is an arithmetic number, because the mean of its divisors is an integer number (134137165).

Almost surely, 2^268274329 is an apocalyptic number.

It is an amenable number.

268274329 is a deficient number, since it is larger than the sum of its proper divisors (1).

268274329 is an equidigital number, since it uses as much as digits as its factorization.

268274329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The square root of 268274329 is about 16379.0820560860. The cubic root of 268274329 is about 644.9504831486.

The spelling of 268274329 in words is "two hundred sixty-eight million, two hundred seventy-four thousand, three hundred twenty-nine".