60451226621 has 2 divisors, whose sum is σ = 60451226622. Its totient is φ = 60451226620.

The previous prime is 60451226611. The next prime is 60451226651. The reversal of 60451226621 is 12662215406.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58170686596 + 2280540025 = 241186^2 + 47755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60451226621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60451226611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30225613310 + 30225613311.

It is an arithmetic number, because the mean of its divisors is an integer number (30225613311).

Almost surely, 2^60451226621 is an apocalyptic number.

It is an amenable number.

60451226621 is a deficient number, since it is larger than the sum of its proper divisors (1).

60451226621 is an equidigital number, since it uses as much as digits as its factorization.

60451226621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 60451226621 in words is "sixty billion, four hundred fifty-one million, two hundred twenty-six thousand, six hundred twenty-one".