41839475209 has 9 divisors (see below), whose sum is σ = 48672075591. Its totient is φ = 35861180040.

The previous prime is 41839475189. The next prime is 41839475213. The reversal of 41839475209 is 90257493814.

The square root of 41839475209 is 204547.

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

It can be written as a sum of positive squares in only one way, i.e., 1027394809 + 40812080400 = 32053^2 + 202020^2 .

It is not a de Polignac number, because 41839475209 - 2⁵ = 41839475177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41839475219) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1417219 + ... + 1446439.

It is an arithmetic number, because the mean of its divisors is an integer number (5408008399).

Almost surely, 2^41839475209 is an apocalyptic number.

41839475209 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

41839475209 is the 204547-th square number.

41839475209 is the 102274-th centered octagonal number.

It is an amenable number.

41839475209 is a deficient number, since it is larger than the sum of its proper divisors (6832600382).

41839475209 is an frugal number, since it uses more digits than its factorization.

41839475209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58456 (or 29228 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 41839475209 in words is "forty-one billion, eight hundred thirty-nine million, four hundred seventy-five thousand, two hundred nine".