6303809956543 has 8 divisors (see below), whose sum is σ = 7238824830720. Its totient is φ = 5429118622680.

The previous prime is 6303809956519. The next prime is 6303809956573. The reversal of 6303809956543 is 3456599083036.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6303809956543 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 (6303809956573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15080884855 + ... + 15080885272.

It is an arithmetic number, because the mean of its divisors is an integer number (904853103840).

Almost surely, 2^{6303809956543} is an apocalyptic number.

6303809956543 is a deficient number, since it is larger than the sum of its proper divisors (935014874177).

6303809956543 is a wasteful number, since it uses less digits than its factorization.

6303809956543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30161770157.

The product of its (nonzero) digits is 62985600, while the sum is 61.

The spelling of 6303809956543 in words is "six trillion, three hundred three billion, eight hundred nine million, nine hundred fifty-six thousand, five hundred forty-three".