97444489811 has 2 divisors, whose sum is σ = 97444489812. Its totient is φ = 97444489810.

The previous prime is 97444489801. The next prime is 97444489939. The reversal of 97444489811 is 11898444479.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97444489811 - 2¹⁰ = 97444488787 is a prime.

It is not a weakly prime, because it can be changed into another prime (97444489801) 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, 48722244905 + 48722244906.

It is an arithmetic number, because the mean of its divisors is an integer number (48722244906).

Almost surely, 2^97444489811 is an apocalyptic number.

97444489811 is a deficient number, since it is larger than the sum of its proper divisors (1).

97444489811 is an equidigital number, since it uses as much as digits as its factorization.

97444489811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 59.

The spelling of 97444489811 in words is "ninety-seven billion, four hundred forty-four million, four hundred eighty-nine thousand, eight hundred eleven".