63605560513 has 8 divisors (see below), whose sum is σ = 69412324896. Its totient is φ = 57802869600.

The previous prime is 63605560507. The next prime is 63605560517. The reversal of 63605560513 is 31506550636.

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-63605560513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63605560517) 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, 985668 + ... + 1048213.

It is an arithmetic number, because the mean of its divisors is an integer number (8676540612).

Almost surely, 2^63605560513 is an apocalyptic number.

It is an amenable number.

63605560513 is a deficient number, since it is larger than the sum of its proper divisors (5806764383).

63605560513 is a wasteful number, since it uses less digits than its factorization.

63605560513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036735.

The product of its (nonzero) digits is 243000, while the sum is 40.

The spelling of 63605560513 in words is "sixty-three billion, six hundred five million, five hundred sixty thousand, five hundred thirteen".