546479869 has 4 divisors (see below), whose sum is σ = 588516796. Its totient is φ = 504442944.

The previous prime is 546479863. The next prime is 546479887. The reversal of 546479869 is 968974645.

It is a happy number.

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 46376100 + 500103769 = 6810^2 + 22363^2 .

It is a cyclic number.

It is not a de Polignac number, because 546479869 - 2¹¹ = 546477821 is a prime.

It is a super-2 number, since 2×546479869² = 597280494444514322, 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 (546479863) 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, 21018444 + ... + 21018469.

It is an arithmetic number, because the mean of its divisors is an integer number (147129199).

Almost surely, 2^546479869 is an apocalyptic number.

It is an amenable number.

546479869 is a deficient number, since it is larger than the sum of its proper divisors (42036927).

546479869 is a wasteful number, since it uses less digits than its factorization.

546479869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42036926.

The product of its digits is 13063680, while the sum is 58.

The square root of 546479869 is about 23376.9088846237. The cubic root of 546479869 is about 817.5695777582.

It can be divided in two parts, 54647 and 9869, that added together give a square (64516 = 254²).

The spelling of 546479869 in words is "five hundred forty-six million, four hundred seventy-nine thousand, eight hundred sixty-nine".