268190033 has 2 divisors, whose sum is σ = 268190034. Its totient is φ = 268190032.

The previous prime is 268189991. The next prime is 268190059. The reversal of 268190033 is 330091862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187333969 + 80856064 = 13687^2 + 8992^2 .

It is a cyclic number.

It is not a de Polignac number, because 268190033 - 2¹² = 268185937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_14618183 and since 268190033 and 14618183 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (268190233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134095016 + 134095017.

It is an arithmetic number, because the mean of its divisors is an integer number (134095017).

Almost surely, 2^268190033 is an apocalyptic number.

It is an amenable number.

268190033 is a deficient number, since it is larger than the sum of its proper divisors (1).

268190033 is an equidigital number, since it uses as much as digits as its factorization.

268190033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 268190033 is about 16376.5085717316. The cubic root of 268190033 is about 644.8829248878.

The spelling of 268190033 in words is "two hundred sixty-eight million, one hundred ninety thousand, thirty-three".