41037779809 has 24 divisors (see below), whose sum is σ = 44988766200. Its totient is φ = 37207683072.

The previous prime is 41037779779. The next prime is 41037779857. The reversal of 41037779809 is 90897773014.

It can be written as a sum of positive squares in 12 ways, for example, as 41036630625 + 1149184 = 202575^2 + 1072^2 .

It is not a de Polignac number, because 41037779809 - 2⁹ = 41037779297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41037779809.

It is not an unprimeable number, because it can be changed into a prime (41037779009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94775257 + ... + 94775689.

It is an arithmetic number, because the mean of its divisors is an integer number (1874531925).

Almost surely, 2^41037779809 is an apocalyptic number.

It is an amenable number.

41037779809 is a deficient number, since it is larger than the sum of its proper divisors (3950986391).

41037779809 is a wasteful number, since it uses less digits than its factorization.

41037779809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 55.

The spelling of 41037779809 in words is "forty-one billion, thirty-seven million, seven hundred seventy-nine thousand, eight hundred nine".