60439561109 has 2 divisors, whose sum is σ = 60439561110. Its totient is φ = 60439561108.

The previous prime is 60439561093. The next prime is 60439561141. The reversal of 60439561109 is 90116593406.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60394537009 + 45024100 = 245753^2 + 6710^2 .

It is a cyclic number.

It is not a de Polignac number, because 60439561109 - 2⁴ = 60439561093 is a prime.

It is a super-3 number, since 3×60439561109³ (a number of 33 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 60439561109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60439561909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30219780554 + 30219780555.

It is an arithmetic number, because the mean of its divisors is an integer number (30219780555).

Almost surely, 2^60439561109 is an apocalyptic number.

It is an amenable number.

60439561109 is a deficient number, since it is larger than the sum of its proper divisors (1).

60439561109 is an equidigital number, since it uses as much as digits as its factorization.

60439561109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 60439561109 in words is "sixty billion, four hundred thirty-nine million, five hundred sixty-one thousand, one hundred nine".