60643477061 has 2 divisors, whose sum is σ = 60643477062. Its totient is φ = 60643477060.

The previous prime is 60643477043. The next prime is 60643477067. The reversal of 60643477061 is 16077434606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41296336225 + 19347140836 = 203215^2 + 139094^2 .

It is a cyclic number.

It is not a de Polignac number, because 60643477061 - 2⁶ = 60643476997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60643477067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30321738530 + 30321738531.

It is an arithmetic number, because the mean of its divisors is an integer number (30321738531).

Almost surely, 2^60643477061 is an apocalyptic number.

It is an amenable number.

60643477061 is a deficient number, since it is larger than the sum of its proper divisors (1).

60643477061 is an equidigital number, since it uses as much as digits as its factorization.

60643477061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 60643477061 in words is "sixty billion, six hundred forty-three million, four hundred seventy-seven thousand, sixty-one".