2134243012209 has 48 divisors (see below), whose sum is σ = 3613418882496. Its totient is φ = 1108012348800.

The previous prime is 2134243012159. The next prime is 2134243012261. The reversal of 2134243012209 is 9022103424312.

It is not a de Polignac number, because 2134243012209 - 2¹⁶ = 2134242946673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 2134243012209.

It is not an unprimeable number, because it can be changed into a prime (2134243012709) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2214039 + ... + 3028275.

It is an arithmetic number, because the mean of its divisors is an integer number (75279560052).

Almost surely, 2^{2134243012209} is an apocalyptic number.

It is an amenable number.

2134243012209 is a deficient number, since it is larger than the sum of its proper divisors (1479175870287).

2134243012209 is a wasteful number, since it uses less digits than its factorization.

2134243012209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815886 (or 815879 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 2134243012209 in words is "two trillion, one hundred thirty-four billion, two hundred forty-three million, twelve thousand, two hundred nine".