60505549997 has 2 divisors, whose sum is σ = 60505549998. Its totient is φ = 60505549996.

The previous prime is 60505549967. The next prime is 60505550041. The reversal of 60505549997 is 79994550506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49432407556 + 11073142441 = 222334^2 + 105229^2 .

It is a cyclic number.

It is not a de Polignac number, because 60505549997 - 2⁶ = 60505549933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60505549927) 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, 30252774998 + 30252774999.

It is an arithmetic number, because the mean of its divisors is an integer number (30252774999).

Almost surely, 2^60505549997 is an apocalyptic number.

It is an amenable number.

60505549997 is a deficient number, since it is larger than the sum of its proper divisors (1).

60505549997 is an equidigital number, since it uses as much as digits as its factorization.

60505549997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15309000, while the sum is 59.

The spelling of 60505549997 in words is "sixty billion, five hundred five million, five hundred forty-nine thousand, nine hundred ninety-seven".