268837091 has 2 divisors, whose sum is σ = 268837092. Its totient is φ = 268837090.

The previous prime is 268837081. The next prime is 268837103. The reversal of 268837091 is 190738862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268837091 - 2¹⁰ = 268836067 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (268837001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134418545 + 134418546.

It is an arithmetic number, because the mean of its divisors is an integer number (134418546).

Almost surely, 2^268837091 is an apocalyptic number.

268837091 is a deficient number, since it is larger than the sum of its proper divisors (1).

268837091 is an equidigital number, since it uses as much as digits as its factorization.

268837091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 268837091 is about 16396.2523461918. The cubic root of 268837091 is about 645.4011414106.

The spelling of 268837091 in words is "two hundred sixty-eight million, eight hundred thirty-seven thousand, ninety-one".