63345605543 has 8 divisors (see below), whose sum is σ = 69144193296. Its totient is φ = 57553667200.

The previous prime is 63345605539. The next prime is 63345605551. The reversal of 63345605543 is 34550654336.

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 63345605543 - 2² = 63345605539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63345605494 and 63345605503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63345602543) 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, 1642418 + ... + 1680543.

It is an arithmetic number, because the mean of its divisors is an integer number (8643024162).

Almost surely, 2^63345605543 is an apocalyptic number.

63345605543 is a deficient number, since it is larger than the sum of its proper divisors (5798587753).

63345605543 is a wasteful number, since it uses less digits than its factorization.

63345605543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324705.

The product of its (nonzero) digits is 1944000, while the sum is 44.

The spelling of 63345605543 in words is "sixty-three billion, three hundred forty-five million, six hundred five thousand, five hundred forty-three".