63545060217 has 16 divisors (see below), whose sum is σ = 87660095040. Its totient is φ = 40897090752.

The previous prime is 63545060213. The next prime is 63545060219. The reversal of 63545060217 is 71206054536.

It is not a de Polignac number, because 63545060217 - 2² = 63545060213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63545060213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663963 + ... + 753615.

It is an arithmetic number, because the mean of its divisors is an integer number (5478755940).

Almost surely, 2^63545060217 is an apocalyptic number.

It is an amenable number.

63545060217 is a deficient number, since it is larger than the sum of its proper divisors (24115034823).

63545060217 is a wasteful number, since it uses less digits than its factorization.

63545060217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97832.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 63545060217 in words is "sixty-three billion, five hundred forty-five million, sixty thousand, two hundred seventeen".