60105009989 has 2 divisors, whose sum is σ = 60105009990. Its totient is φ = 60105009988.

The previous prime is 60105009961. The next prime is 60105010057. The reversal of 60105009989 is 98990050106.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59998053025 + 106956964 = 244945^2 + 10342^2 .

It is a cyclic number.

It is not a de Polignac number, because 60105009989 - 2¹⁶ = 60104944453 is a prime.

It is a super-2 number, since 2×60105009989² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60105009929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30052504994 + 30052504995.

It is an arithmetic number, because the mean of its divisors is an integer number (30052504995).

Almost surely, 2^60105009989 is an apocalyptic number.

It is an amenable number.

60105009989 is a deficient number, since it is larger than the sum of its proper divisors (1).

60105009989 is an equidigital number, since it uses as much as digits as its factorization.

60105009989 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 47.

The spelling of 60105009989 in words is "sixty billion, one hundred five million, nine thousand, nine hundred eighty-nine".