41439527249 has 4 divisors (see below), whose sum is σ = 41849819700. Its totient is φ = 41029234800.

The previous prime is 41439527219. The next prime is 41439527273. The reversal of 41439527249 is 94272593414.

It is a happy number.

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 22965280849 + 18474246400 = 151543^2 + 135920^2 .

It is a cyclic number.

It is not a de Polignac number, because 41439527249 - 2³² = 37144559953 is a prime.

It is a super-2 number, since 2×41439527249² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41439527197 and 41439527206.

It is not an unprimeable number, because it can be changed into a prime (41439527209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205146074 + ... + 205146275.

It is an arithmetic number, because the mean of its divisors is an integer number (10462454925).

Almost surely, 2^41439527249 is an apocalyptic number.

It is an amenable number.

41439527249 is a deficient number, since it is larger than the sum of its proper divisors (410292451).

41439527249 is a wasteful number, since it uses less digits than its factorization.

41439527249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410292450.

The product of its digits is 2177280, while the sum is 50.

The spelling of 41439527249 in words is "forty-one billion, four hundred thirty-nine million, five hundred twenty-seven thousand, two hundred forty-nine".