41855420377 has 2 divisors, whose sum is σ = 41855420378. Its totient is φ = 41855420376.

The previous prime is 41855420323. The next prime is 41855420393. The reversal of 41855420377 is 77302455814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21126331801 + 20729088576 = 145349^2 + 143976^2 .

It is a cyclic number.

It is not a de Polignac number, because 41855420377 - 2⁷ = 41855420249 is a prime.

It is not a weakly prime, because it can be changed into another prime (41855420317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20927710188 + 20927710189.

It is an arithmetic number, because the mean of its divisors is an integer number (20927710189).

Almost surely, 2^41855420377 is an apocalyptic number.

It is an amenable number.

41855420377 is a deficient number, since it is larger than the sum of its proper divisors (1).

41855420377 is an equidigital number, since it uses as much as digits as its factorization.

41855420377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 41855420377 in words is "forty-one billion, eight hundred fifty-five million, four hundred twenty thousand, three hundred seventy-seven".