697982289811 has 2 divisors, whose sum is σ = 697982289812. Its totient is φ = 697982289810.

The previous prime is 697982289761. The next prime is 697982289853. The reversal of 697982289811 is 118982289796.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 697982289811 - 2¹¹ = 697982287763 is a prime.

It is not a weakly prime, because it can be changed into another prime (697982209811) 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, 348991144905 + 348991144906.

It is an arithmetic number, because the mean of its divisors is an integer number (348991144906).

Almost surely, 2^697982289811 is an apocalyptic number.

697982289811 is a deficient number, since it is larger than the sum of its proper divisors (1).

697982289811 is an equidigital number, since it uses as much as digits as its factorization.

697982289811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62705664, while the sum is 70.

The spelling of 697982289811 in words is "six hundred ninety-seven billion, nine hundred eighty-two million, two hundred eighty-nine thousand, eight hundred eleven".