546689727986645 has 16 divisors (see below), whose sum is σ = 684553277555712. Its totient is φ = 418334860944000.

The previous prime is 546689727986639. The next prime is 546689727986867.

546689727986645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 546689727986645 - 2¹⁸ = 546689727724501 is a prime.

It is a super-2 number, since 2×546689727986645² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20889020 + ... + 39111770.

It is an arithmetic number, because the mean of its divisors is an integer number (42784579847232).

Almost surely, 2^{546689727986645} is an apocalyptic number.

It is an amenable number.

546689727986645 is a deficient number, since it is larger than the sum of its proper divisors (137863549569067).

546689727986645 is a wasteful number, since it uses less digits than its factorization.

546689727986645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18483652.

The product of its digits is 263363788800, while the sum is 92.

The spelling of 546689727986645 in words is "five hundred forty-six trillion, six hundred eighty-nine billion, seven hundred twenty-seven million, nine hundred eighty-six thousand, six hundred forty-five".