148689102609 has 6 divisors (see below), whose sum is σ = 214773148226. Its totient is φ = 99126068400.

The previous prime is 148689102599. The next prime is 148689102619. The reversal of 148689102609 is 906201986841.

148689102609 is a `hidden beast` number, since 14 + 8 + 6 + 8 + 9 + 10 + 2 + 609 = 666.

148689102609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (148689102599) and next prime (148689102619).

It can be written as a sum of positive squares in only one way, i.e., 88503275025 + 60185827584 = 297495^2 + 245328^2 .

It is not a de Polignac number, because 148689102609 - 2¹⁶ = 148689037073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148689102619) 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 in 5 ways as a sum of consecutive naturals, for example, 8260505692 + ... + 8260505709.

Almost surely, 2^148689102609 is an apocalyptic number.

It is an amenable number.

148689102609 is a deficient number, since it is larger than the sum of its proper divisors (66084045617).

148689102609 is a wasteful number, since it uses less digits than its factorization.

148689102609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16521011407 (or 16521011404 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 148689102609 in words is "one hundred forty-eight billion, six hundred eighty-nine million, one hundred two thousand, six hundred nine".