7633333381 has 2 divisors, whose sum is σ = 7633333382. Its totient is φ = 7633333380.

The previous prime is 7633333363. The next prime is 7633333441. The reversal of 7633333381 is 1833333367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7423373281 + 209960100 = 86159^2 + 14490^2 .

It is a cyclic number.

It is not a de Polignac number, because 7633333381 - 2¹⁵ = 7633300613 is a prime.

It is a super-2 number, since 2×7633333381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7633733381) 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, 3816666690 + 3816666691.

It is an arithmetic number, because the mean of its divisors is an integer number (3816666691).

Almost surely, 2^7633333381 is an apocalyptic number.

It is an amenable number.

7633333381 is a deficient number, since it is larger than the sum of its proper divisors (1).

7633333381 is an equidigital number, since it uses as much as digits as its factorization.

7633333381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 40.

The square root of 7633333381 is about 87368.9497533306. The cubic root of 7633333381 is about 1968.9653650470.

The spelling of 7633333381 in words is "seven billion, six hundred thirty-three million, three hundred thirty-three thousand, three hundred eighty-one".