97423424759809 has 2 divisors, whose sum is σ = 97423424759810. Its totient is φ = 97423424759808.

The previous prime is 97423424759807. The next prime is 97423424759827. The reversal of 97423424759809 is 90895742432479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92440917744400 + 4982507015409 = 9614620^2 + 2232153^2 .

It is a cyclic number.

It is not a de Polignac number, because 97423424759809 - 2¹ = 97423424759807 is a prime.

Together with 97423424759807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (97423424759807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48711712379904 + 48711712379905.

It is an arithmetic number, because the mean of its divisors is an integer number (48711712379905).

Almost surely, 2^{97423424759809} is an apocalyptic number.

It is an amenable number.

97423424759809 is a deficient number, since it is larger than the sum of its proper divisors (1).

97423424759809 is an equidigital number, since it uses as much as digits as its factorization.

97423424759809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1097349120, while the sum is 73.

The spelling of 97423424759809 in words is "ninety-seven trillion, four hundred twenty-three billion, four hundred twenty-four million, seven hundred fifty-nine thousand, eight hundred nine".