60420717613 has 2 divisors, whose sum is σ = 60420717614. Its totient is φ = 60420717612.

The previous prime is 60420717589. The next prime is 60420717631. The reversal of 60420717613 is 31671702406.

Together with next prime (60420717631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40233138724 + 20187578889 = 200582^2 + 142083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60420717613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60420717683) 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, 30210358806 + 30210358807.

It is an arithmetic number, because the mean of its divisors is an integer number (30210358807).

Almost surely, 2^60420717613 is an apocalyptic number.

It is an amenable number.

60420717613 is a deficient number, since it is larger than the sum of its proper divisors (1).

60420717613 is an equidigital number, since it uses as much as digits as its factorization.

60420717613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 60420717613 in words is "sixty billion, four hundred twenty million, seven hundred seventeen thousand, six hundred thirteen".