63243000309 has 8 divisors (see below), whose sum is σ = 84439042912. Its totient is φ = 42104478960.

The previous prime is 63243000299. The next prime is 63243000343. The reversal of 63243000309 is 90300034236.

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

It is not a de Polignac number, because 63243000309 - 2⁸ = 63243000053 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 (63243000349) 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, 14377747 + ... + 14382144.

It is an arithmetic number, because the mean of its divisors is an integer number (10554880364).

Almost surely, 2^63243000309 is an apocalyptic number.

It is an amenable number.

63243000309 is a deficient number, since it is larger than the sum of its proper divisors (21196042603).

63243000309 is a wasteful number, since it uses less digits than its factorization.

63243000309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28760627.

The product of its (nonzero) digits is 11664, while the sum is 30.

The spelling of 63243000309 in words is "sixty-three billion, two hundred forty-three million, three hundred nine", and thus it is an aban number.