6400759733 has 2 divisors, whose sum is σ = 6400759734. Its totient is φ = 6400759732.

The previous prime is 6400759697. The next prime is 6400759747. The reversal of 6400759733 is 3379570046.

6400759733 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4811780689 + 1588979044 = 69367^2 + 39862^2 .

It is a cyclic number.

It is not a de Polignac number, because 6400759733 - 2⁶ = 6400759669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6400759333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200379866 + 3200379867.

It is an arithmetic number, because the mean of its divisors is an integer number (3200379867).

Almost surely, 2^6400759733 is an apocalyptic number.

It is an amenable number.

6400759733 is a deficient number, since it is larger than the sum of its proper divisors (1).

6400759733 is an equidigital number, since it uses as much as digits as its factorization.

6400759733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 44.

The square root of 6400759733 is about 80004.7481903418. The cubic root of 6400759733 is about 1856.7089965427.

The spelling of 6400759733 in words is "six billion, four hundred million, seven hundred fifty-nine thousand, seven hundred thirty-three".