2389740684923 has 4 divisors (see below), whose sum is σ = 2454328271040. Its totient is φ = 2325153098808.

The previous prime is 2389740684913. The next prime is 2389740684941. The reversal of 2389740684923 is 3294860479832.

2389740684923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2389740684923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2389740684923.

It is not an unprimeable number, because it can be changed into a prime (2389740684913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32293793003 + ... + 32293793076.

It is an arithmetic number, because the mean of its divisors is an integer number (613582067760).

Almost surely, 2^{2389740684923} is an apocalyptic number.

2389740684923 is a deficient number, since it is larger than the sum of its proper divisors (64587586117).

2389740684923 is an equidigital number, since it uses as much as digits as its factorization.

2389740684923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64587586116.

The product of its (nonzero) digits is 125411328, while the sum is 65.

The spelling of 2389740684923 in words is "two trillion, three hundred eighty-nine billion, seven hundred forty million, six hundred eighty-four thousand, nine hundred twenty-three".