63421421300 has 72 divisors (see below), whose sum is σ = 148240845312. Its totient is φ = 23482800000.

The previous prime is 63421421257. The next prime is 63421421347. The reversal of 63421421300 is 312412436.

63421421300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 63421421300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 373451 + ... + 516050.

Almost surely, 2^63421421300 is an apocalyptic number.

It is an amenable number.

63421421300 is an abundant number, since it is smaller than the sum of its proper divisors (84819424012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63421421300 is a wasteful number, since it uses less digits than its factorization.

63421421300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889569 (or 889562 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 63421421300 its reverse (312412436), we get a palindrome (63733833736).

The spelling of 63421421300 in words is "sixty-three billion, four hundred twenty-one million, four hundred twenty-one thousand, three hundred".