97194825900457 has 2 divisors, whose sum is σ = 97194825900458. Its totient is φ = 97194825900456.

The previous prime is 97194825900449. The next prime is 97194825900511. The reversal of 97194825900457 is 75400952849179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76803857415961 + 20390968484496 = 8763781^2 + 4515636^2 .

It is a cyclic number.

It is not a de Polignac number, because 97194825900457 - 2³ = 97194825900449 is a prime.

It is not a weakly prime, because it can be changed into another prime (97194825900437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48597412950228 + 48597412950229.

It is an arithmetic number, because the mean of its divisors is an integer number (48597412950229).

Almost surely, 2^{97194825900457} is an apocalyptic number.

It is an amenable number.

97194825900457 is a deficient number, since it is larger than the sum of its proper divisors (1).

97194825900457 is an equidigital number, since it uses as much as digits as its factorization.

97194825900457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 228614400, while the sum is 70.

The spelling of 97194825900457 in words is "ninety-seven trillion, one hundred ninety-four billion, eight hundred twenty-five million, nine hundred thousand, four hundred fifty-seven".