546681867265 has 4 divisors (see below), whose sum is σ = 656018240724. Its totient is φ = 437345493808.

The previous prime is 546681867257. The next prime is 546681867293. The reversal of 546681867265 is 562768186645.

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 164505681649 + 382176185616 = 405593^2 + 618204^2 .

It is a cyclic number.

It is not a de Polignac number, because 546681867265 - 2³ = 546681867257 is a prime.

It is a super-2 number, since 2×546681867265² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 546681867197 and 546681867206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54668186722 + ... + 54668186731.

It is an arithmetic number, because the mean of its divisors is an integer number (164004560181).

Almost surely, 2^546681867265 is an apocalyptic number.

It is an amenable number.

546681867265 is a deficient number, since it is larger than the sum of its proper divisors (109336373459).

546681867265 is a wasteful number, since it uses less digits than its factorization.

546681867265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109336373458.

The product of its digits is 116121600, while the sum is 64.

The spelling of 546681867265 in words is "five hundred forty-six billion, six hundred eighty-one million, eight hundred sixty-seven thousand, two hundred sixty-five".