546356445251 has 4 divisors (see below), whose sum is σ = 546358308912. Its totient is φ = 546354581592.

The previous prime is 546356445233. The next prime is 546356445253. The reversal of 546356445251 is 152544653645.

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

It is a cyclic number.

It is not a de Polignac number, because 546356445251 - 2²² = 546352250947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 546356445251.

It is not an unprimeable number, because it can be changed into a prime (546356445253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385196 + ... + 1114041.

It is an arithmetic number, because the mean of its divisors is an integer number (136589577228).

Almost surely, 2^546356445251 is an apocalyptic number.

546356445251 is a deficient number, since it is larger than the sum of its proper divisors (1863661).

546356445251 is a wasteful number, since it uses less digits than its factorization.

546356445251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863660.

The product of its digits is 8640000, while the sum is 50.

The spelling of 546356445251 in words is "five hundred forty-six billion, three hundred fifty-six million, four hundred forty-five thousand, two hundred fifty-one".