41600456021 has 2 divisors, whose sum is σ = 41600456022. Its totient is φ = 41600456020.

The previous prime is 41600455987. The next prime is 41600456083. The reversal of 41600456021 is 12065400614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41245548100 + 354907921 = 203090^2 + 18839^2 .

It is a cyclic number.

It is not a de Polignac number, because 41600456021 - 2²² = 41596261717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41600456221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20800228010 + 20800228011.

It is an arithmetic number, because the mean of its divisors is an integer number (20800228011).

Almost surely, 2^41600456021 is an apocalyptic number.

It is an amenable number.

41600456021 is a deficient number, since it is larger than the sum of its proper divisors (1).

41600456021 is an equidigital number, since it uses as much as digits as its factorization.

41600456021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 41600456021 its reverse (12065400614), we get a palindrome (53665856635).

The spelling of 41600456021 in words is "forty-one billion, six hundred million, four hundred fifty-six thousand, twenty-one".