97241340991 has 2 divisors, whose sum is σ = 97241340992. Its totient is φ = 97241340990.

The previous prime is 97241340983. The next prime is 97241341031. The reversal of 97241340991 is 19904314279.

It is a weak prime.

It is an emirp because it is prime and its reverse (19904314279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97241340991 - 2³ = 97241340983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97241340941) 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, 48620670495 + 48620670496.

It is an arithmetic number, because the mean of its divisors is an integer number (48620670496).

Almost surely, 2^97241340991 is an apocalyptic number.

97241340991 is a deficient number, since it is larger than the sum of its proper divisors (1).

97241340991 is an equidigital number, since it uses as much as digits as its factorization.

97241340991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 97241340991 in words is "ninety-seven billion, two hundred forty-one million, three hundred forty thousand, nine hundred ninety-one".