6733640398 has 16 divisors (see below), whose sum is σ = 10723765824. Its totient is φ = 3160131840.

The previous prime is 6733640393. The next prime is 6733640423. The reversal of 6733640398 is 8930463376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6733640393) 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 in 7 ways as a sum of consecutive naturals, for example, 257343 + ... + 282298.

It is an arithmetic number, because the mean of its divisors is an integer number (670235364).

Almost surely, 2^6733640398 is an apocalyptic number.

6733640398 is a deficient number, since it is larger than the sum of its proper divisors (3990125426).

6733640398 is a wasteful number, since it uses less digits than its factorization.

6733640398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540027.

The product of its (nonzero) digits is 1959552, while the sum is 49.

The square root of 6733640398 is about 82058.7618600232. The cubic root of 6733640398 is about 1888.3535391916.

The spelling of 6733640398 in words is "six billion, seven hundred thirty-three million, six hundred forty thousand, three hundred ninety-eight".