63443640446054 has 16 divisors (see below), whose sum is σ = 104787117274176. Its totient is φ = 28568504193000.

The previous prime is 63443640446029. The next prime is 63443640446063. The reversal of 63443640446054 is 45064404634436.

It is a junction number, because it is equal to n+sod(n) for n = 63443640445987 and 63443640446005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13475707172 + ... + 13475711879.

It is an arithmetic number, because the mean of its divisors is an integer number (6549194829636).

Almost surely, 2^{63443640446054} is an apocalyptic number.

63443640446054 is a deficient number, since it is larger than the sum of its proper divisors (41343476828122).

63443640446054 is a wasteful number, since it uses less digits than its factorization.

63443640446054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26951419171.

The product of its (nonzero) digits is 39813120, while the sum is 53.

The spelling of 63443640446054 in words is "sixty-three trillion, four hundred forty-three billion, six hundred forty million, four hundred forty-six thousand, fifty-four".