268833947 has 2 divisors, whose sum is σ = 268833948. Its totient is φ = 268833946.

The previous prime is 268833899. The next prime is 268833991. The reversal of 268833947 is 749338862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268833947 - 2¹⁰ = 268832923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268833895 and 268833904.

It is not a weakly prime, because it can be changed into another prime (268833997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134416973 + 134416974.

It is an arithmetic number, because the mean of its divisors is an integer number (134416974).

Almost surely, 2^268833947 is an apocalyptic number.

268833947 is a deficient number, since it is larger than the sum of its proper divisors (1).

268833947 is an equidigital number, since it uses as much as digits as its factorization.

268833947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 50.

The square root of 268833947 is about 16396.1564703439. The cubic root of 268833947 is about 645.3986254518.

The spelling of 268833947 in words is "two hundred sixty-eight million, eight hundred thirty-three thousand, nine hundred forty-seven".