41400444413 has 2 divisors, whose sum is σ = 41400444414. Its totient is φ = 41400444412.

The previous prime is 41400444343. The next prime is 41400444467. The reversal of 41400444413 is 31444400414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40424319364 + 976125049 = 201058^2 + 31243^2 .

It is a cyclic number.

It is not a de Polignac number, because 41400444413 - 2⁸ = 41400444157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41400444473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20700222206 + 20700222207.

It is an arithmetic number, because the mean of its divisors is an integer number (20700222207).

Almost surely, 2^41400444413 is an apocalyptic number.

It is an amenable number.

41400444413 is a deficient number, since it is larger than the sum of its proper divisors (1).

41400444413 is an equidigital number, since it uses as much as digits as its factorization.

41400444413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 41400444413 its reverse (31444400414), we get a palindrome (72844844827).

The spelling of 41400444413 in words is "forty-one billion, four hundred million, four hundred forty-four thousand, four hundred thirteen".