6744550536 has 144 divisors (see below), whose sum is σ = 19969357200. Its totient is φ = 2129543136.

The previous prime is 6744550529. The next prime is 6744550537. The reversal of 6744550536 is 6350554476.

6744550536 is a `hidden beast` number, since 6 + 7 + 44 + 550 + 53 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6744550491 and 6744550500.

It is not an unprimeable number, because it can be changed into a prime (6744550537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 993891 + ... + 1000653.

Almost surely, 2^6744550536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6744550536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9984678600).

6744550536 is an abundant number, since it is smaller than the sum of its proper divisors (13224806664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6744550536 is an equidigital number, since it uses as much as digits as its factorization.

6744550536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6812 (or 6787 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The square root of 6744550536 is about 82125.2125476702. The cubic root of 6744550536 is about 1889.3728531453.

The spelling of 6744550536 in words is "six billion, seven hundred forty-four million, five hundred fifty thousand, five hundred thirty-six".