541216849 has 4 divisors (see below), whose sum is σ = 541347840. Its totient is φ = 541085860.

The previous prime is 541216847. The next prime is 541216859. The reversal of 541216849 is 948612145.

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 not a de Polignac number, because 541216849 - 2¹ = 541216847 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541216847) 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, 59089 + ... + 67630.

It is an arithmetic number, because the mean of its divisors is an integer number (135336960).

Almost surely, 2^541216849 is an apocalyptic number.

It is an amenable number.

541216849 is a deficient number, since it is larger than the sum of its proper divisors (130991).

541216849 is a wasteful number, since it uses less digits than its factorization.

541216849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130990.

The product of its digits is 69120, while the sum is 40.

The square root of 541216849 is about 23264.0677655478. The cubic root of 541216849 is about 814.9364995000.

The spelling of 541216849 in words is "five hundred forty-one million, two hundred sixteen thousand, eight hundred forty-nine".