268202443 has 4 divisors (see below), whose sum is σ = 274744008. Its totient is φ = 261660880.

The previous prime is 268202437. The next prime is 268202497. The reversal of 268202443 is 344202862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268202443 - 2⁹ = 268201931 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268202413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3270721 + ... + 3270802.

It is an arithmetic number, because the mean of its divisors is an integer number (68686002).

Almost surely, 2^268202443 is an apocalyptic number.

268202443 is a deficient number, since it is larger than the sum of its proper divisors (6541565).

268202443 is an equidigital number, since it uses as much as digits as its factorization.

268202443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541564.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 268202443 is about 16376.8874637399. The cubic root of 268202443 is about 644.8928716577.

The spelling of 268202443 in words is "two hundred sixty-eight million, two hundred two thousand, four hundred forty-three".