41728280069 has 4 divisors (see below), whose sum is σ = 47689462944. Its totient is φ = 35767097196.

The previous prime is 41728280047. The next prime is 41728280071. The reversal of 41728280069 is 96008282714.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41728280069 is a prime.

It is a super-2 number, since 2×41728280069² (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 (41728280969) 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, 2980591427 + ... + 2980591440.

It is an arithmetic number, because the mean of its divisors is an integer number (11922365736).

Almost surely, 2^41728280069 is an apocalyptic number.

It is an amenable number.

41728280069 is a deficient number, since it is larger than the sum of its proper divisors (5961182875).

41728280069 is an equidigital number, since it uses as much as digits as its factorization.

41728280069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5961182874.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 41728280069 in words is "forty-one billion, seven hundred twenty-eight million, two hundred eighty thousand, sixty-nine".