41097964021 has 2 divisors, whose sum is σ = 41097964022. Its totient is φ = 41097964020.

The previous prime is 41097964001. The next prime is 41097964073. The reversal of 41097964021 is 12046979014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25668846225 + 15429117796 = 160215^2 + 124214^2 .

It is a cyclic number.

It is not a de Polignac number, because 41097964021 - 2³³ = 32508029429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41097964001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20548982010 + 20548982011.

It is an arithmetic number, because the mean of its divisors is an integer number (20548982011).

Almost surely, 2^41097964021 is an apocalyptic number.

It is an amenable number.

41097964021 is a deficient number, since it is larger than the sum of its proper divisors (1).

41097964021 is an equidigital number, since it uses as much as digits as its factorization.

41097964021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 41097964021 in words is "forty-one billion, ninety-seven million, nine hundred sixty-four thousand, twenty-one".