97443156133 has 2 divisors, whose sum is σ = 97443156134. Its totient is φ = 97443156132.

The previous prime is 97443156121. The next prime is 97443156143. The reversal of 97443156133 is 33165134479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76511432449 + 20931723684 = 276607^2 + 144678^2 .

It is a cyclic number.

It is not a de Polignac number, because 97443156133 - 2⁵ = 97443156101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97443156143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48721578066 + 48721578067.

It is an arithmetic number, because the mean of its divisors is an integer number (48721578067).

Almost surely, 2^97443156133 is an apocalyptic number.

It is an amenable number.

97443156133 is a deficient number, since it is larger than the sum of its proper divisors (1).

97443156133 is an equidigital number, since it uses as much as digits as its factorization.

97443156133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 46.

The spelling of 97443156133 in words is "ninety-seven billion, four hundred forty-three million, one hundred fifty-six thousand, one hundred thirty-three".