206893980743 has 2 divisors, whose sum is σ = 206893980744. Its totient is φ = 206893980742.

The previous prime is 206893980697. The next prime is 206893980757. The reversal of 206893980743 is 347089398602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206893980743 - 2¹⁴ = 206893964359 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206893980443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103446990371 + 103446990372.

It is an arithmetic number, because the mean of its divisors is an integer number (103446990372).

Almost surely, 2^206893980743 is an apocalyptic number.

206893980743 is a deficient number, since it is larger than the sum of its proper divisors (1).

206893980743 is an equidigital number, since it uses as much as digits as its factorization.

206893980743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 206893980743 in words is "two hundred six billion, eight hundred ninety-three million, nine hundred eighty thousand, seven hundred forty-three".