41005624645 has 4 divisors (see below), whose sum is σ = 49206749580. Its totient is φ = 32804499712.

The previous prime is 41005624609. The next prime is 41005624679. The reversal of 41005624645 is 54642650014.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7167654244 + 33837970401 = 84662^2 + 183951^2 .

It is a cyclic number.

It is not a de Polignac number, because 41005624645 - 2¹⁵ = 41005591877 is a prime.

It is a super-2 number, since 2×41005624645² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4100562460 + ... + 4100562469.

It is an arithmetic number, because the mean of its divisors is an integer number (12301687395).

Almost surely, 2^41005624645 is an apocalyptic number.

It is an amenable number.

41005624645 is a deficient number, since it is larger than the sum of its proper divisors (8201124935).

41005624645 is an equidigital number, since it uses as much as digits as its factorization.

41005624645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8201124934.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 41005624645 in words is "forty-one billion, five million, six hundred twenty-four thousand, six hundred forty-five".