4169849764441 has 3 divisors (see below), whose sum is σ = 4169851806463. Its totient is φ = 4169847722420.

The previous prime is 4169849764433. The next prime is 4169849764447. The reversal of 4169849764441 is 1444679489614.

The square root of 4169849764441 is 2042021.

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.

It can be written as a sum of positive squares in only one way, i.e., 193574480841 + 3976275283600 = 439971^2 + 1994060^2 .

It is not a de Polignac number, because 4169849764441 - 2³ = 4169849764433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4169849764447) 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, 1021011 + ... + 3063031.

Almost surely, 2^{4169849764441} is an apocalyptic number.

4169849764441 is the 2042021-st square number.

4169849764441 is the 1021011-st centered octagonal number.

It is an amenable number.

4169849764441 is a deficient number, since it is larger than the sum of its proper divisors (2042022).

4169849764441 is an frugal number, since it uses more digits than its factorization.

4169849764441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4084042 (or 2042021 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 67.

The spelling of 4169849764441 in words is "four trillion, one hundred sixty-nine billion, eight hundred forty-nine million, seven hundred sixty-four thousand, four hundred forty-one".