60644331061 has 2 divisors, whose sum is σ = 60644331062. Its totient is φ = 60644331060.

The previous prime is 60644331029. The next prime is 60644331091. The reversal of 60644331061 is 16013344606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42696370161 + 17947960900 = 206631^2 + 133970^2 .

It is a cyclic number.

It is not a de Polignac number, because 60644331061 - 2⁵ = 60644331029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60644331091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30322165530 + 30322165531.

It is an arithmetic number, because the mean of its divisors is an integer number (30322165531).

Almost surely, 2^60644331061 is an apocalyptic number.

It is an amenable number.

60644331061 is a deficient number, since it is larger than the sum of its proper divisors (1).

60644331061 is an equidigital number, since it uses as much as digits as its factorization.

60644331061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 60644331061 its reverse (16013344606), we get a palindrome (76657675667).

The spelling of 60644331061 in words is "sixty billion, six hundred forty-four million, three hundred thirty-one thousand, sixty-one".