41386388549 has 6 divisors (see below), whose sum is σ = 45490823910. Its totient is φ = 37623989480.

The previous prime is 41386388513. The next prime is 41386388587. The reversal of 41386388549 is 94588368314.

It can be written as a sum of positive squares in only one way, i.e., 41010300100 + 376088449 = 202510^2 + 19393^2 .

It is not a de Polignac number, because 41386388549 - 2²⁰ = 41385339973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41386388509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171018014 + ... + 171018255.

It is an arithmetic number, because the mean of its divisors is an integer number (7581803985).

Almost surely, 2^41386388549 is an apocalyptic number.

It is an amenable number.

41386388549 is a deficient number, since it is larger than the sum of its proper divisors (4104435361).

41386388549 is a wasteful number, since it uses less digits than its factorization.

41386388549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342036291 (or 342036280 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 59.

The spelling of 41386388549 in words is "forty-one billion, three hundred eighty-six million, three hundred eighty-eight thousand, five hundred forty-nine".