60442036021 has 2 divisors, whose sum is σ = 60442036022. Its totient is φ = 60442036020.

The previous prime is 60442036019. The next prime is 60442036033. The reversal of 60442036021 is 12063024406.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41631913521 + 18810122500 = 204039^2 + 137150^2 .

It is a cyclic number.

It is not a de Polignac number, because 60442036021 - 2¹ = 60442036019 is a prime.

Together with 60442036019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60442031021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30221018010 + 30221018011.

It is an arithmetic number, because the mean of its divisors is an integer number (30221018011).

Almost surely, 2^60442036021 is an apocalyptic number.

It is an amenable number.

60442036021 is a deficient number, since it is larger than the sum of its proper divisors (1).

60442036021 is an equidigital number, since it uses as much as digits as its factorization.

60442036021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 60442036021 in words is "sixty billion, four hundred forty-two million, thirty-six thousand, twenty-one".