63421421301 has 24 divisors (see below), whose sum is σ = 104740683840. Its totient is φ = 36225233856.

The previous prime is 63421421257. The next prime is 63421421347. The reversal of 63421421301 is 10312412436.

It is a happy number.

63421421301 is a `hidden beast` number, since 6 + 342 + 14 + 2 + 1 + 301 = 666.

It is not a de Polignac number, because 63421421301 - 2⁹ = 63421420789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63421421381) 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 23 ways as a sum of consecutive naturals, for example, 67840 + ... + 362553.

It is an arithmetic number, because the mean of its divisors is an integer number (4364195160).

Almost surely, 2^63421421301 is an apocalyptic number.

It is an amenable number.

63421421301 is a deficient number, since it is larger than the sum of its proper divisors (41319262539).

63421421301 is a wasteful number, since it uses less digits than its factorization.

63421421301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432745 (or 432742 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 63421421301 its reverse (10312412436), we get a palindrome (73733833737).

The spelling of 63421421301 in words is "sixty-three billion, four hundred twenty-one million, four hundred twenty-one thousand, three hundred one".