41864255021 has 2 divisors, whose sum is σ = 41864255022. Its totient is φ = 41864255020.

The previous prime is 41864254969. The next prime is 41864255047. The reversal of 41864255021 is 12055246814.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29237238121 + 12627016900 = 170989^2 + 112370^2 .

It is a cyclic number.

It is not a de Polignac number, because 41864255021 - 2²² = 41860060717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41864254021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20932127510 + 20932127511.

It is an arithmetic number, because the mean of its divisors is an integer number (20932127511).

Almost surely, 2^41864255021 is an apocalyptic number.

It is an amenable number.

41864255021 is a deficient number, since it is larger than the sum of its proper divisors (1).

41864255021 is an equidigital number, since it uses as much as digits as its factorization.

41864255021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 41864255021 in words is "forty-one billion, eight hundred sixty-four million, two hundred fifty-five thousand, twenty-one".