268742083 has 2 divisors, whose sum is σ = 268742084. Its totient is φ = 268742082.

The previous prime is 268742057. The next prime is 268742087. The reversal of 268742083 is 380247862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268742083 is a prime.

It is not a weakly prime, because it can be changed into another prime (268742087) 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, 134371041 + 134371042.

It is an arithmetic number, because the mean of its divisors is an integer number (134371042).

Almost surely, 2^268742083 is an apocalyptic number.

268742083 is a deficient number, since it is larger than the sum of its proper divisors (1).

268742083 is an equidigital number, since it uses as much as digits as its factorization.

268742083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 268742083 is about 16393.3548427404. The cubic root of 268742083 is about 645.3251034202.

The spelling of 268742083 in words is "two hundred sixty-eight million, seven hundred forty-two thousand, eighty-three".