1338293867 has 2 divisors, whose sum is σ = 1338293868. Its totient is φ = 1338293866.

The previous prime is 1338293863. The next prime is 1338293903. The reversal of 1338293867 is 7683928331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1338293867 - 2² = 1338293863 is a prime.

It is not a weakly prime, because it can be changed into another prime (1338293863) 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 as a sum of consecutive naturals, namely, 669146933 + 669146934.

It is an arithmetic number, because the mean of its divisors is an integer number (669146934).

Almost surely, 2^1338293867 is an apocalyptic number.

1338293867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338293867 is an equidigital number, since it uses as much as digits as its factorization.

1338293867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 50.

The square root of 1338293867 is about 36582.6990119647. The cubic root of 1338293867 is about 1102.0056705165.

The spelling of 1338293867 in words is "one billion, three hundred thirty-eight million, two hundred ninety-three thousand, eight hundred sixty-seven".