41536338821 has 2 divisors, whose sum is σ = 41536338822. Its totient is φ = 41536338820.

The previous prime is 41536338803. The next prime is 41536338827. The reversal of 41536338821 is 12883363514.

41536338821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32153510596 + 9382828225 = 179314^2 + 96865^2 .

It is a cyclic number.

It is not a de Polignac number, because 41536338821 - 2³⁰ = 40462596997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41536338827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20768169410 + 20768169411.

It is an arithmetic number, because the mean of its divisors is an integer number (20768169411).

Almost surely, 2^41536338821 is an apocalyptic number.

It is an amenable number.

41536338821 is a deficient number, since it is larger than the sum of its proper divisors (1).

41536338821 is an equidigital number, since it uses as much as digits as its factorization.

41536338821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 44.

The spelling of 41536338821 in words is "forty-one billion, five hundred thirty-six million, three hundred thirty-eight thousand, eight hundred twenty-one".