63128400517 has 8 divisors (see below), whose sum is σ = 77696493056. Its totient is φ = 49947745392.

The previous prime is 63128400487. The next prime is 63128400523. The reversal of 63128400517 is 71500482136.

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-63128400517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63128400547) 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, 346859253 + ... + 346859434.

It is an arithmetic number, because the mean of its divisors is an integer number (9712061632).

Almost surely, 2^63128400517 is an apocalyptic number.

It is an amenable number.

63128400517 is a deficient number, since it is larger than the sum of its proper divisors (14568092539).

63128400517 is a wasteful number, since it uses less digits than its factorization.

63128400517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693718707.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 63128400517 in words is "sixty-three billion, one hundred twenty-eight million, four hundred thousand, five hundred seventeen".