63060656625221 has 4 divisors (see below), whose sum is σ = 63239298712332. Its totient is φ = 62882014538112.

The previous prime is 63060656625191. The next prime is 63060656625247. The reversal of 63060656625221 is 12252665606036.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20550908622721 + 42509748002500 = 4533311^2 + 6519950^2 .

It is a cyclic number.

It is not a de Polignac number, because 63060656625221 - 2¹⁴ = 63060656608837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63060656625221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63060656625251) 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, 89321043026 + ... + 89321043731.

It is an arithmetic number, because the mean of its divisors is an integer number (15809824678083).

Almost surely, 2^{63060656625221} is an apocalyptic number.

It is an amenable number.

63060656625221 is a deficient number, since it is larger than the sum of its proper divisors (178642087111).

63060656625221 is a wasteful number, since it uses less digits than its factorization.

63060656625221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178642087110.

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 63060656625221 in words is "sixty-three trillion, sixty billion, six hundred fifty-six million, six hundred twenty-five thousand, two hundred twenty-one".