41221203791 has 2 divisors, whose sum is σ = 41221203792. Its totient is φ = 41221203790.

The previous prime is 41221203787. The next prime is 41221203851. The reversal of 41221203791 is 19730212214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41221203791 - 2² = 41221203787 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41221203701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20610601895 + 20610601896.

It is an arithmetic number, because the mean of its divisors is an integer number (20610601896).

Almost surely, 2^41221203791 is an apocalyptic number.

41221203791 is a deficient number, since it is larger than the sum of its proper divisors (1).

41221203791 is an equidigital number, since it uses as much as digits as its factorization.

41221203791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 41221203791 in words is "forty-one billion, two hundred twenty-one million, two hundred three thousand, seven hundred ninety-one".