60201847721 has 2 divisors, whose sum is σ = 60201847722. Its totient is φ = 60201847720.

The previous prime is 60201847679. The next prime is 60201847781. The reversal of 60201847721 is 12774810206.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33027973696 + 27173874025 = 181736^2 + 164845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60201847721 is a prime.

It is not a weakly prime, because it can be changed into another prime (60201847781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30100923860 + 30100923861.

It is an arithmetic number, because the mean of its divisors is an integer number (30100923861).

Almost surely, 2^60201847721 is an apocalyptic number.

It is an amenable number.

60201847721 is a deficient number, since it is larger than the sum of its proper divisors (1).

60201847721 is an equidigital number, since it uses as much as digits as its factorization.

60201847721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 60201847721 in words is "sixty billion, two hundred one million, eight hundred forty-seven thousand, seven hundred twenty-one".