63384670545 has 24 divisors (see below), whose sum is σ = 117973102464. Its totient is φ = 28975849056.

The previous prime is 63384670417. The next prime is 63384670577. The reversal of 63384670545 is 54507648336.

It is not a de Polignac number, because 63384670545 - 2⁷ = 63384670417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43118089 + ... + 43119558.

It is an arithmetic number, because the mean of its divisors is an integer number (4915545936).

Almost surely, 2^63384670545 is an apocalyptic number.

It is an amenable number.

63384670545 is a deficient number, since it is larger than the sum of its proper divisors (54588431919).

63384670545 is a wasteful number, since it uses less digits than its factorization.

63384670545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86237669 (or 86237662 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 63384670545 in words is "sixty-three billion, three hundred eighty-four million, six hundred seventy thousand, five hundred forty-five".