2909740990543 has 2 divisors, whose sum is σ = 2909740990544. Its totient is φ = 2909740990542.

The previous prime is 2909740990463. The next prime is 2909740990549. The reversal of 2909740990543 is 3450990479092.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2909740990543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2909740990549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1454870495271 + 1454870495272.

It is an arithmetic number, because the mean of its divisors is an integer number (1454870495272).

Almost surely, 2^{2909740990543} is an apocalyptic number.

2909740990543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2909740990543 is an equidigital number, since it uses as much as digits as its factorization.

2909740990543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22044960, while the sum is 61.

The spelling of 2909740990543 in words is "two trillion, nine hundred nine billion, seven hundred forty million, nine hundred ninety thousand, five hundred forty-three".