6745309989 has 8 divisors (see below), whose sum is σ = 9811360032. Its totient is φ = 4088066640.

The previous prime is 6745309937. The next prime is 6745309999. The reversal of 6745309989 is 9899035476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6745309989 - 2⁹ = 6745309477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6745309919) 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 7 ways as a sum of consecutive naturals, for example, 102201634 + ... + 102201699.

It is an arithmetic number, because the mean of its divisors is an integer number (1226420004).

Almost surely, 2^6745309989 is an apocalyptic number.

It is an amenable number.

6745309989 is a deficient number, since it is larger than the sum of its proper divisors (3066050043).

6745309989 is a wasteful number, since it uses less digits than its factorization.

6745309989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204403347.

The product of its (nonzero) digits is 14696640, while the sum is 60.

The square root of 6745309989 is about 82129.8361681064. The cubic root of 6745309989 is about 1889.4437664958.

The spelling of 6745309989 in words is "six billion, seven hundred forty-five million, three hundred nine thousand, nine hundred eighty-nine".