268538411 has 2 divisors, whose sum is σ = 268538412. Its totient is φ = 268538410.

The previous prime is 268538393. The next prime is 268538423. The reversal of 268538411 is 114835862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268538411 is a prime.

It is a super-2 number, since 2×268538411² = 144225756364809842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (268538471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134269205 + 134269206.

It is an arithmetic number, because the mean of its divisors is an integer number (134269206).

Almost surely, 2^268538411 is an apocalyptic number.

268538411 is a deficient number, since it is larger than the sum of its proper divisors (1).

268538411 is an equidigital number, since it uses as much as digits as its factorization.

268538411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 38.

The square root of 268538411 is about 16387.1416360511. The cubic root of 268538411 is about 645.1620376900.

The spelling of 268538411 in words is "two hundred sixty-eight million, five hundred thirty-eight thousand, four hundred eleven".