206924098769 has 2 divisors, whose sum is σ = 206924098770. Its totient is φ = 206924098768.

The previous prime is 206924098747. The next prime is 206924098831. The reversal of 206924098769 is 967890429602.

It is an a-pointer prime, because the next prime (206924098831) can be obtained adding 206924098769 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160144032400 + 46780066369 = 400180^2 + 216287^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206924098769 is a prime.

It is a super-2 number, since 2×206924098769² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (206924098729) 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, 103462049384 + 103462049385.

It is an arithmetic number, because the mean of its divisors is an integer number (103462049385).

Almost surely, 2^206924098769 is an apocalyptic number.

It is an amenable number.

206924098769 is a deficient number, since it is larger than the sum of its proper divisors (1).

206924098769 is an equidigital number, since it uses as much as digits as its factorization.

206924098769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23514624, while the sum is 62.

The spelling of 206924098769 in words is "two hundred six billion, nine hundred twenty-four million, ninety-eight thousand, seven hundred sixty-nine".