41845782369 has 4 divisors (see below), whose sum is σ = 55794376496. Its totient is φ = 27897188244.

The previous prime is 41845782359. The next prime is 41845782403. The reversal of 41845782369 is 96328754814.

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 not a de Polignac number, because 41845782369 - 2⁵ = 41845782337 is a prime.

It is a super-2 number, since 2×41845782369² (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 (41845782359) 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, 6974297059 + ... + 6974297064.

It is an arithmetic number, because the mean of its divisors is an integer number (13948594124).

Almost surely, 2^41845782369 is an apocalyptic number.

It is an amenable number.

41845782369 is a deficient number, since it is larger than the sum of its proper divisors (13948594127).

41845782369 is a wasteful number, since it uses less digits than its factorization.

41845782369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13948594126.

The product of its digits is 11612160, while the sum is 57.

The spelling of 41845782369 in words is "forty-one billion, eight hundred forty-five million, seven hundred eighty-two thousand, three hundred sixty-nine".