41797370221 has 2 divisors, whose sum is σ = 41797370222. Its totient is φ = 41797370220.

The previous prime is 41797370213. The next prime is 41797370243. The reversal of 41797370221 is 12207379714.

It is a happy number.

41797370221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37349814121 + 4447556100 = 193261^2 + 66690^2 .

It is a cyclic number.

It is not a de Polignac number, because 41797370221 - 2³ = 41797370213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41797370201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20898685110 + 20898685111.

It is an arithmetic number, because the mean of its divisors is an integer number (20898685111).

Almost surely, 2^41797370221 is an apocalyptic number.

It is an amenable number.

41797370221 is a deficient number, since it is larger than the sum of its proper divisors (1).

41797370221 is an equidigital number, since it uses as much as digits as its factorization.

41797370221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 43.

The spelling of 41797370221 in words is "forty-one billion, seven hundred ninety-seven million, three hundred seventy thousand, two hundred twenty-one".