6390481733 has 2 divisors, whose sum is σ = 6390481734. Its totient is φ = 6390481732.

The previous prime is 6390481723. The next prime is 6390481753. The reversal of 6390481733 is 3371840936.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5830544164 + 559937569 = 76358^2 + 23663^2 .

It is a cyclic number.

It is not a de Polignac number, because 6390481733 - 2³² = 2095514437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6390481703) 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, 3195240866 + 3195240867.

It is an arithmetic number, because the mean of its divisors is an integer number (3195240867).

Almost surely, 2^6390481733 is an apocalyptic number.

It is an amenable number.

6390481733 is a deficient number, since it is larger than the sum of its proper divisors (1).

6390481733 is an equidigital number, since it uses as much as digits as its factorization.

6390481733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 6390481733 is about 79940.4886962796. The cubic root of 6390481733 is about 1855.7146625741.

The spelling of 6390481733 in words is "six billion, three hundred ninety million, four hundred eighty-one thousand, seven hundred thirty-three".