197153176826041 has 2 divisors, whose sum is σ = 197153176826042. Its totient is φ = 197153176826040.

The previous prime is 197153176825967. The next prime is 197153176826051. The reversal of 197153176826041 is 140628671351791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109779682656400 + 87373494169641 = 10477580^2 + 9347379^2 .

It is a cyclic number.

It is not a de Polignac number, because 197153176826041 - 2⁹ = 197153176825529 is a prime.

It is not a weakly prime, because it can be changed into another prime (197153176826051) 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, 98576588413020 + 98576588413021.

It is an arithmetic number, because the mean of its divisors is an integer number (98576588413021).

It is a 1-persistent number, because it is pandigital, but 2⋅197153176826041 = 394306353652082 is not.

Almost surely, 2^{197153176826041} is an apocalyptic number.

It is an amenable number.

197153176826041 is a deficient number, since it is larger than the sum of its proper divisors (1).

197153176826041 is an equidigital number, since it uses as much as digits as its factorization.

197153176826041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 197153176826041 in words is "one hundred ninety-seven trillion, one hundred fifty-three billion, one hundred seventy-six million, eight hundred twenty-six thousand, forty-one".