63163021421233 has 4 divisors (see below), whose sum is σ = 63194182262640. Its totient is φ = 63131860579828.

The previous prime is 63163021421167. The next prime is 63163021421263. The reversal of 63163021421233 is 33212412036136.

It is a happy number.

63163021421233 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63163021421233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63163021421192 and 63163021421201.

It is not an unprimeable number, because it can be changed into a prime (63163021421263) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 15580417663 + ... + 15580421716.

It is an arithmetic number, because the mean of its divisors is an integer number (15798545565660).

Almost surely, 2^{63163021421233} is an apocalyptic number.

It is an amenable number.

63163021421233 is a deficient number, since it is larger than the sum of its proper divisors (31160841407).

63163021421233 is a wasteful number, since it uses less digits than its factorization.

63163021421233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31160841406.

The product of its (nonzero) digits is 93312, while the sum is 37.

Adding to 63163021421233 its reverse (33212412036136), we get a palindrome (96375433457369).

The spelling of 63163021421233 in words is "sixty-three trillion, one hundred sixty-three billion, twenty-one million, four hundred twenty-one thousand, two hundred thirty-three".