63344536530689 has 8 divisors (see below), whose sum is σ = 66100456086912. Its totient is φ = 60588767747200.

The previous prime is 63344536530641. The next prime is 63344536530703. The reversal of 63344536530689 is 98603563544336.

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-63344536530689 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63344536530089) 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, 36834224 + ... + 38515569.

It is an arithmetic number, because the mean of its divisors is an integer number (8262557010864).

Almost surely, 2^{63344536530689} is an apocalyptic number.

It is an amenable number.

63344536530689 is a deficient number, since it is larger than the sum of its proper divisors (2755919556223).

63344536530689 is a wasteful number, since it uses less digits than its factorization.

63344536530689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75386367.

The product of its (nonzero) digits is 503884800, while the sum is 65.

The spelling of 63344536530689 in words is "sixty-three trillion, three hundred forty-four billion, five hundred thirty-six million, five hundred thirty thousand, six hundred eighty-nine".