2148927609 has 16 divisors (see below), whose sum is σ = 2886455232. Its totient is φ = 1422028608.

The previous prime is 2148927593. The next prime is 2148927643. The reversal of 2148927609 is 9067298412.

It is not a de Polignac number, because 2148927609 - 2⁴ = 2148927593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2148927679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645022 + ... + 648344.

It is an arithmetic number, because the mean of its divisors is an integer number (180403452).

Almost surely, 2^2148927609 is an apocalyptic number.

It is an amenable number.

2148927609 is a deficient number, since it is larger than the sum of its proper divisors (737527623).

2148927609 is a wasteful number, since it uses less digits than its factorization.

2148927609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 2148927609 is about 46356.5271455919. The cubic root of 2148927609 is about 1290.4482565742.

The spelling of 2148927609 in words is "two billion, one hundred forty-eight million, nine hundred twenty-seven thousand, six hundred nine".