63545421311426 has 4 divisors (see below), whose sum is σ = 95318131967142. Its totient is φ = 31772710655712.

The previous prime is 63545421311387. The next prime is 63545421311503. The reversal of 63545421311426 is 62411312454536.

63545421311426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41607673060801 + 21937748250625 = 6450401^2 + 4683775^2 .

It is a super-3 number, since 3×63545421311426³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15886355327855 + ... + 15886355327858.

Almost surely, 2^{63545421311426} is an apocalyptic number.

63545421311426 is a deficient number, since it is larger than the sum of its proper divisors (31772710655716).

63545421311426 is a wasteful number, since it uses less digits than its factorization.

63545421311426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31772710655715.

The product of its digits is 2073600, while the sum is 47.

The spelling of 63545421311426 in words is "sixty-three trillion, five hundred forty-five billion, four hundred twenty-one million, three hundred eleven thousand, four hundred twenty-six".