6744533389 has 4 divisors (see below), whose sum is σ = 7357672800. Its totient is φ = 6131393980.

The previous prime is 6744533371. The next prime is 6744533423. The reversal of 6744533389 is 9833354476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6744533389 - 2⁵ = 6744533357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6744533329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306569689 + ... + 306569710.

It is an arithmetic number, because the mean of its divisors is an integer number (1839418200).

Almost surely, 2^6744533389 is an apocalyptic number.

It is an amenable number.

6744533389 is a deficient number, since it is larger than the sum of its proper divisors (613139411).

6744533389 is a wasteful number, since it uses less digits than its factorization.

6744533389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613139410.

The product of its digits is 6531840, while the sum is 52.

The square root of 6744533389 is about 82125.1081521358. The cubic root of 6744533389 is about 1889.3712519957.

The spelling of 6744533389 in words is "six billion, seven hundred forty-four million, five hundred thirty-three thousand, three hundred eighty-nine".