2097802543 has 2 divisors, whose sum is σ = 2097802544. Its totient is φ = 2097802542.

The previous prime is 2097802541. The next prime is 2097802571. The reversal of 2097802543 is 3452087902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2097802543 - 2¹ = 2097802541 is a prime.

Together with 2097802541, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2097802496 and 2097802505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2097802541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048901271 + 1048901272.

It is an arithmetic number, because the mean of its divisors is an integer number (1048901272).

Almost surely, 2^2097802543 is an apocalyptic number.

2097802543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097802543 is an equidigital number, since it uses as much as digits as its factorization.

2097802543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2097802543 is about 45801.7744525253. The cubic root of 2097802543 is about 1280.1323396291.

The spelling of 2097802543 in words is "two billion, ninety-seven million, eight hundred two thousand, five hundred forty-three".