63421421302 has 32 divisors (see below), whose sum is σ = 96488330400. Its totient is φ = 31262630400.

The previous prime is 63421421257. The next prime is 63421421347. The reversal of 63421421302 is 20312412436.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63421421257) and next prime (63421421347).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29347102 + ... + 29349262.

It is an arithmetic number, because the mean of its divisors is an integer number (3015260325).

Almost surely, 2^63421421302 is an apocalyptic number.

63421421302 is a deficient number, since it is larger than the sum of its proper divisors (33066909098).

63421421302 is a wasteful number, since it uses less digits than its factorization.

63421421302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 63421421302 its reverse (20312412436), we get a palindrome (83733833738).

The spelling of 63421421302 in words is "sixty-three billion, four hundred twenty-one million, four hundred twenty-one thousand, three hundred two".