60999109 has 2 divisors, whose sum is σ = 60999110. Its totient is φ = 60999108.

The previous prime is 60999089. The next prime is 60999121. The reversal of 60999109 is 90199906.

60999109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59444100 + 1555009 = 7710^2 + 1247^2 .

It is a cyclic number.

It is not a de Polignac number, because 60999109 - 2¹⁵ = 60966341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60999509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30499554 + 30499555.

It is an arithmetic number, because the mean of its divisors is an integer number (30499555).

Almost surely, 2^60999109 is an apocalyptic number.

It is an amenable number.

60999109 is a deficient number, since it is larger than the sum of its proper divisors (1).

60999109 is an equidigital number, since it uses as much as digits as its factorization.

60999109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39366, while the sum is 43.

The square root of 60999109 is about 7810.1926352684. The cubic root of 60999109 is about 393.6478016785.

The spelling of 60999109 in words is "sixty million, nine hundred ninety-nine thousand, one hundred nine".