546721338418 has 8 divisors (see below), whose sum is σ = 820253121948. Its totient is φ = 273303631104.

The previous prime is 546721338407. The next prime is 546721338469. The reversal of 546721338418 is 814833127645.

It can be written as a sum of positive squares in 2 ways, for example, as 390591250729 + 156130087689 = 624973^2 + 395133^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 28507071 + ... + 28526242.

Almost surely, 2^546721338418 is an apocalyptic number.

546721338418 is a deficient number, since it is larger than the sum of its proper divisors (273531783530).

546721338418 is a wasteful number, since it uses less digits than its factorization.

546721338418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57038108.

The product of its digits is 3870720, while the sum is 52.

The spelling of 546721338418 in words is "five hundred forty-six billion, seven hundred twenty-one million, three hundred thirty-eight thousand, four hundred eighteen".