41197992197 has 2 divisors, whose sum is σ = 41197992198. Its totient is φ = 41197992196.

The previous prime is 41197992169. The next prime is 41197992271. The reversal of 41197992197 is 79129979114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32929909156 + 8268083041 = 181466^2 + 90929^2 .

It is a cyclic number.

It is not a de Polignac number, because 41197992197 - 2¹⁶ = 41197926661 is a prime.

It is a super-2 number, since 2×41197992197² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41197992167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20598996098 + 20598996099.

It is an arithmetic number, because the mean of its divisors is an integer number (20598996099).

Almost surely, 2^41197992197 is an apocalyptic number.

It is an amenable number.

41197992197 is a deficient number, since it is larger than the sum of its proper divisors (1).

41197992197 is an equidigital number, since it uses as much as digits as its factorization.

41197992197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2571912, while the sum is 59.

The spelling of 41197992197 in words is "forty-one billion, one hundred ninety-seven million, nine hundred ninety-two thousand, one hundred ninety-seven".