2840745738243 has 16 divisors (see below), whose sum is σ = 4328786327040. Its totient is φ = 1623271685376.

The previous prime is 2840745738203. The next prime is 2840745738247. The reversal of 2840745738243 is 3428375470482.

It is not a de Polignac number, because 2840745738243 - 2¹⁶ = 2840745672707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2840745738247) 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, 3169546 + ... + 3965792.

It is an arithmetic number, because the mean of its divisors is an integer number (270549145440).

Almost surely, 2^{2840745738243} is an apocalyptic number.

2840745738243 is a deficient number, since it is larger than the sum of its proper divisors (1488040588797).

2840745738243 is a wasteful number, since it uses less digits than its factorization.

2840745738243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966146.

The product of its (nonzero) digits is 36126720, while the sum is 57.

The spelling of 2840745738243 in words is "two trillion, eight hundred forty billion, seven hundred forty-five million, seven hundred thirty-eight thousand, two hundred forty-three".