60221947993 has 8 divisors (see below), whose sum is σ = 63766768968. Its totient is φ = 56677388544.

The previous prime is 60221947937. The next prime is 60221948023. The reversal of 60221947993 is 39974912206.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19679320089 + 40542627904 = 140283^2 + 201352^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 60221947993 - 2²¹ = 60219850841 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 60221947993.

It is not an unprimeable number, because it can be changed into a prime (60221948993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605455 + ... + 697867.

It is an arithmetic number, because the mean of its divisors is an integer number (7970846121).

Almost surely, 2^60221947993 is an apocalyptic number.

It is an amenable number.

60221947993 is a deficient number, since it is larger than the sum of its proper divisors (3544820975).

60221947993 is a wasteful number, since it uses less digits than its factorization.

60221947993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130763.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 60221947993 in words is "sixty billion, two hundred twenty-one million, nine hundred forty-seven thousand, nine hundred ninety-three".