544347869 has 4 divisors (see below), whose sum is σ = 586220796. Its totient is φ = 502474944.

The previous prime is 544347863. The next prime is 544347887. The reversal of 544347869 is 968743445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104816644 + 439531225 = 10238^2 + 20965^2 .

It is a cyclic number.

It is not a de Polignac number, because 544347869 - 2⁸ = 544347613 is a prime.

It is a super-2 number, since 2×544347869² = 592629204969682322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544347863) 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, 20936444 + ... + 20936469.

It is an arithmetic number, because the mean of its divisors is an integer number (146555199).

Almost surely, 2^544347869 is an apocalyptic number.

It is an amenable number.

544347869 is a deficient number, since it is larger than the sum of its proper divisors (41872927).

544347869 is a wasteful number, since it uses less digits than its factorization.

544347869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41872926.

The product of its digits is 2903040, while the sum is 50.

The square root of 544347869 is about 23331.2637677431. The cubic root of 544347869 is about 816.5049883652.

The spelling of 544347869 in words is "five hundred forty-four million, three hundred forty-seven thousand, eight hundred sixty-nine".