2109824343843 has 8 divisors (see below), whose sum is σ = 2835249512448. Its totient is φ = 1395474368904.

The previous prime is 2109824343841. The next prime is 2109824343881. The reversal of 2109824343843 is 3483434289012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2109824343843 - 2¹ = 2109824343841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2109824343841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2768797971 + ... + 2768798732.

It is an arithmetic number, because the mean of its divisors is an integer number (354406189056).

Almost surely, 2^{2109824343843} is an apocalyptic number.

2109824343843 is a deficient number, since it is larger than the sum of its proper divisors (725425168605).

2109824343843 is a wasteful number, since it uses less digits than its factorization.

2109824343843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537596833.

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 2109824343843 in words is "two trillion, one hundred nine billion, eight hundred twenty-four million, three hundred forty-three thousand, eight hundred forty-three".