2018248309 has 12 divisors (see below), whose sum is σ = 2561191488. Its totient is φ = 1572660600.

The previous prime is 2018248307. The next prime is 2018248363. The reversal of 2018248309 is 9038428102.

It is not a de Polignac number, because 2018248309 - 2¹ = 2018248307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018248307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1871677 + ... + 1872754.

It is an arithmetic number, because the mean of its divisors is an integer number (213432624).

Almost surely, 2^2018248309 is an apocalyptic number.

It is an amenable number.

2018248309 is a deficient number, since it is larger than the sum of its proper divisors (542943179).

2018248309 is a wasteful number, since it uses less digits than its factorization.

2018248309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744456 (or 3744449 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 2018248309 is about 44924.9185753297. The cubic root of 2018248309 is about 1263.7413590885.

The spelling of 2018248309 in words is "two billion, eighteen million, two hundred forty-eight thousand, three hundred nine".