41064988790809 has 3 divisors (see below), whose sum is σ = 41064995199007. Its totient is φ = 41064982382612.

The previous prime is 41064988790797. The next prime is 41064988790849. The reversal of 41064988790809 is 90809788946014.

The square root of 41064988790809 is 6408197.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 29282438255625 + 11782550535184 = 5411325^2 + 3432572^2 .

It is not a de Polignac number, because 41064988790809 - 2²⁷ = 41064854573081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41064988790849) 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 2 ways as a sum of consecutive naturals, for example, 3204099 + ... + 9612295.

Almost surely, 2^{41064988790809} is an apocalyptic number.

41064988790809 is the 6408197-th square number.

41064988790809 is the 3204099-th centered octagonal number.

It is an amenable number.

41064988790809 is a deficient number, since it is larger than the sum of its proper divisors (6408198).

41064988790809 is an frugal number, since it uses more digits than its factorization.

41064988790809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12816394 (or 6408197 counting only the distinct ones).

The product of its (nonzero) digits is 250822656, while the sum is 73.

The spelling of 41064988790809 in words is "forty-one trillion, sixty-four billion, nine hundred eighty-eight million, seven hundred ninety thousand, eight hundred nine".