41501761891 has 2 divisors, whose sum is σ = 41501761892. Its totient is φ = 41501761890.

The previous prime is 41501761849. The next prime is 41501761901. The reversal of 41501761891 is 19816710514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41501761891 - 2¹⁵ = 41501729123 is a prime.

It is not a weakly prime, because it can be changed into another prime (41501764891) 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, 20750880945 + 20750880946.

It is an arithmetic number, because the mean of its divisors is an integer number (20750880946).

Almost surely, 2^41501761891 is an apocalyptic number.

41501761891 is a deficient number, since it is larger than the sum of its proper divisors (1).

41501761891 is an equidigital number, since it uses as much as digits as its factorization.

41501761891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 43.

The spelling of 41501761891 in words is "forty-one billion, five hundred one million, seven hundred sixty-one thousand, eight hundred ninety-one".