1138633333 has 2 divisors, whose sum is σ = 1138633334. Its totient is φ = 1138633332.

The previous prime is 1138633303. The next prime is 1138633367. The reversal of 1138633333 is 3333368311.

It is an a-pointer prime, because the next prime (1138633367) can be obtained adding 1138633333 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1138252644 + 380689 = 33738^2 + 617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1138633333 is a prime.

1138633333 is a modest number, since divided by 33333 gives 11386 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1138633303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569316666 + 569316667.

It is an arithmetic number, because the mean of its divisors is an integer number (569316667).

Almost surely, 2^1138633333 is an apocalyptic number.

It is an amenable number.

1138633333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138633333 is an equidigital number, since it uses as much as digits as its factorization.

1138633333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 34.

The square root of 1138633333 is about 33743.6413713754. The cubic root of 1138633333 is about 1044.2263094897.

The spelling of 1138633333 in words is "one billion, one hundred thirty-eight million, six hundred thirty-three thousand, three hundred thirty-three".