41356509769 has 3 divisors (see below), whose sum is σ = 41356713133. Its totient is φ = 41356306406.

The previous prime is 41356509751. The next prime is 41356509889. The reversal of 41356509769 is 96790565314.

The square root of 41356509769 is 203363.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96790565314 = 2 ⋅48395282657.

It is not a de Polignac number, because 41356509769 - 2¹⁹ = 41355985481 is a prime.

It is a super-2 number, since 2×41356509769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41356509269) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 101682 + ... + 305044.

Almost surely, 2^41356509769 is an apocalyptic number.

41356509769 is the 203363-rd square number.

41356509769 is the 101682-nd centered octagonal number.

It is an amenable number.

41356509769 is a deficient number, since it is larger than the sum of its proper divisors (203364).

41356509769 is an frugal number, since it uses more digits than its factorization.

41356509769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406726 (or 203363 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 41356509769 in words is "forty-one billion, three hundred fifty-six million, five hundred nine thousand, seven hundred sixty-nine".