63464140511063 has 8 divisors (see below), whose sum is σ = 64513990664736. Its totient is φ = 62414595338400.

The previous prime is 63464140511053. The next prime is 63464140511119. The reversal of 63464140511063 is 36011504146436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63464140511063 - 2⁴⁰ = 62364628883287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63464140511053) 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, 75825608 + ... + 76658013.

It is an arithmetic number, because the mean of its divisors is an integer number (8064248833092).

Almost surely, 2^{63464140511063} is an apocalyptic number.

63464140511063 is a deficient number, since it is larger than the sum of its proper divisors (1049850153673).

63464140511063 is a wasteful number, since it uses less digits than its factorization.

63464140511063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152490505.

The product of its (nonzero) digits is 622080, while the sum is 44.

Adding to 63464140511063 its reverse (36011504146436), we get a palindrome (99475644657499).

The spelling of 63464140511063 in words is "sixty-three trillion, four hundred sixty-four billion, one hundred forty million, five hundred eleven thousand, sixty-three".