546223858409 has 4 divisors (see below), whose sum is σ = 547268264016. Its totient is φ = 545179452804.

The previous prime is 546223858379. The next prime is 546223858429. The reversal of 546223858409 is 904858322645.

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, and also an emirpimes, since its reverse is a distinct semiprime: 904858322645 = 5 ⋅180971664529.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-546223858409 is a prime.

It is a super-2 number, since 2×546223858409² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (546223858429) 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, 522202019 + ... + 522203064.

It is an arithmetic number, because the mean of its divisors is an integer number (136817066004).

Almost surely, 2^546223858409 is an apocalyptic number.

It is an amenable number.

546223858409 is a deficient number, since it is larger than the sum of its proper divisors (1044405607).

546223858409 is a wasteful number, since it uses less digits than its factorization.

546223858409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044405606.

The product of its (nonzero) digits is 16588800, while the sum is 56.

The spelling of 546223858409 in words is "five hundred forty-six billion, two hundred twenty-three million, eight hundred fifty-eight thousand, four hundred nine".