41009593181 has 4 divisors (see below), whose sum is σ = 41284825500. Its totient is φ = 40734360864.

The previous prime is 41009593169. The next prime is 41009593211. The reversal of 41009593181 is 18139590014.

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 5678376025 + 35331217156 = 75355^2 + 187966^2 .

It is a cyclic number.

It is not a de Polignac number, because 41009593181 - 2⁶ = 41009593117 is a prime.

It is a super-2 number, since 2×41009593181² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41009503181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137615936 + ... + 137616233.

It is an arithmetic number, because the mean of its divisors is an integer number (10321206375).

Almost surely, 2^41009593181 is an apocalyptic number.

It is an amenable number.

41009593181 is a deficient number, since it is larger than the sum of its proper divisors (275232319).

41009593181 is a wasteful number, since it uses less digits than its factorization.

41009593181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275232318.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 41009593181 in words is "forty-one billion, nine million, five hundred ninety-three thousand, one hundred eighty-one".