41802664849 has 9 divisors (see below), whose sum is σ = 45950855881. Its totient is φ = 38000378020.

The previous prime is 41802664793. The next prime is 41802664889. The reversal of 41802664849 is 94846620814.

The square root of 41802664849 is 204457.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 41802664849 - 2⁷ = 41802664721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41802664796 and 41802664805.

It is not an unprimeable number, because it can be changed into a prime (41802664889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2239734 + ... + 2258320.

Almost surely, 2^41802664849 is an apocalyptic number.

41802664849 is the 204457-th square number.

41802664849 is the 102229-th centered octagonal number.

It is an amenable number.

41802664849 is a deficient number, since it is larger than the sum of its proper divisors (4148191032).

41802664849 is an frugal number, since it uses more digits than its factorization.

41802664849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37196 (or 18598 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 52.

The spelling of 41802664849 in words is "forty-one billion, eight hundred two million, six hundred sixty-four thousand, eight hundred forty-nine".