7213567633 has 2 divisors, whose sum is σ = 7213567634. Its totient is φ = 7213567632.

The previous prime is 7213567631. The next prime is 7213567639. The reversal of 7213567633 is 3367653127.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4222790289 + 2990777344 = 64983^2 + 54688^2 .

It is a cyclic number.

It is not a de Polignac number, because 7213567633 - 2¹ = 7213567631 is a prime.

Together with 7213567631, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7213567633.

It is not a weakly prime, because it can be changed into another prime (7213567631) 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, 3606783816 + 3606783817.

It is an arithmetic number, because the mean of its divisors is an integer number (3606783817).

Almost surely, 2^7213567633 is an apocalyptic number.

It is an amenable number.

7213567633 is a deficient number, since it is larger than the sum of its proper divisors (1).

7213567633 is an equidigital number, since it uses as much as digits as its factorization.

7213567633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 43.

The square root of 7213567633 is about 84932.7241585951. The cubic root of 7213567633 is about 1932.1909160718.

The spelling of 7213567633 in words is "seven billion, two hundred thirteen million, five hundred sixty-seven thousand, six hundred thirty-three".