2378872774543 has 2 divisors, whose sum is σ = 2378872774544. Its totient is φ = 2378872774542.

The previous prime is 2378872774519. The next prime is 2378872774583. The reversal of 2378872774543 is 3454772788732.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2378872774543 - 2²⁹ = 2378335903631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2378872774583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189436387271 + 1189436387272.

It is an arithmetic number, because the mean of its divisors is an integer number (1189436387272).

Almost surely, 2^{2378872774543} is an apocalyptic number.

2378872774543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2378872774543 is an equidigital number, since it uses as much as digits as its factorization.

2378872774543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442552320, while the sum is 67.

The spelling of 2378872774543 in words is "two trillion, three hundred seventy-eight billion, eight hundred seventy-two million, seven hundred seventy-four thousand, five hundred forty-three".