63556413854 has 16 divisors (see below), whose sum is σ = 95785718400. Its totient is φ = 31627932504.

The previous prime is 63556413839. The next prime is 63556413857. The reversal of 63556413854 is 45831465536.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63556413857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485737 + ... + 1527915.

It is an arithmetic number, because the mean of its divisors is an integer number (5986607400).

Almost surely, 2^63556413854 is an apocalyptic number.

63556413854 is a deficient number, since it is larger than the sum of its proper divisors (32229304546).

63556413854 is a wasteful number, since it uses less digits than its factorization.

63556413854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45727.

The product of its digits is 5184000, while the sum is 50.

The spelling of 63556413854 in words is "sixty-three billion, five hundred fifty-six million, four hundred thirteen thousand, eight hundred fifty-four".