63221460343 has 4 divisors (see below), whose sum is σ = 63931813920. Its totient is φ = 62511106768.

The previous prime is 63221460257. The next prime is 63221460349. The reversal of 63221460343 is 34306412236.

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

It is a cyclic number.

It is not a de Polignac number, because 63221460343 - 2¹⁷ = 63221329271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63221460299 and 63221460308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63221460349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355176655 + ... + 355176832.

It is an arithmetic number, because the mean of its divisors is an integer number (15982953480).

Almost surely, 2^63221460343 is an apocalyptic number.

63221460343 is a deficient number, since it is larger than the sum of its proper divisors (710353577).

63221460343 is an equidigital number, since it uses as much as digits as its factorization.

63221460343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710353576.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 63221460343 its reverse (34306412236), we get a palindrome (97527872579).

The spelling of 63221460343 in words is "sixty-three billion, two hundred twenty-one million, four hundred sixty thousand, three hundred forty-three".