41536442013421 has 2 divisors, whose sum is σ = 41536442013422. Its totient is φ = 41536442013420.

The previous prime is 41536442013403. The next prime is 41536442013433. The reversal of 41536442013421 is 12431024463514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29175240790921 + 12361201222500 = 5401411^2 + 3515850^2 .

It is a cyclic number.

It is not a de Polignac number, because 41536442013421 - 2²⁷ = 41536307795693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41536442010421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20768221006710 + 20768221006711.

It is an arithmetic number, because the mean of its divisors is an integer number (20768221006711).

Almost surely, 2^{41536442013421} is an apocalyptic number.

It is an amenable number.

41536442013421 is a deficient number, since it is larger than the sum of its proper divisors (1).

41536442013421 is an equidigital number, since it uses as much as digits as its factorization.

41536442013421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 41536442013421 its reverse (12431024463514), we get a palindrome (53967466476935).

The spelling of 41536442013421 in words is "forty-one trillion, five hundred thirty-six billion, four hundred forty-two million, thirteen thousand, four hundred twenty-one".