41644495413 has 20 divisors (see below), whose sum is σ = 62329145868. Its totient is φ = 27709680960.

The previous prime is 41644495357. The next prime is 41644495433. The reversal of 41644495413 is 31459444614.

41644495413 is a `hidden beast` number, since 4 + 1 + 64 + 4 + 49 + 541 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16190526564 + 25453968849 = 127242^2 + 159543^2 .

It is not a de Polignac number, because 41644495413 - 2²⁹ = 41107624501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41644495433) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 451206 + ... + 535607.

Almost surely, 2^41644495413 is an apocalyptic number.

It is an amenable number.

41644495413 is a deficient number, since it is larger than the sum of its proper divisors (20684650455).

41644495413 is an equidigital number, since it uses as much as digits as its factorization.

41644495413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987346 (or 987337 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 41644495413 in words is "forty-one billion, six hundred forty-four million, four hundred ninety-five thousand, four hundred thirteen".