546646465 has 4 divisors (see below), whose sum is σ = 655975764. Its totient is φ = 437317168.

The previous prime is 546646459. The next prime is 546646493. The reversal of 546646465 is 564646645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564646645 = 5 ⋅112929329.

It can be written as a sum of positive squares in 2 ways, for example, as 64448784 + 482197681 = 8028^2 + 21959^2 .

It is a cyclic number.

It is not a de Polignac number, because 546646465 - 2²⁵ = 513092033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54664642 + ... + 54664651.

It is an arithmetic number, because the mean of its divisors is an integer number (163993941).

Almost surely, 2^546646465 is an apocalyptic number.

It is an amenable number.

546646465 is a deficient number, since it is larger than the sum of its proper divisors (109329299).

546646465 is a wasteful number, since it uses less digits than its factorization.

546646465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109329298.

The product of its digits is 2073600, while the sum is 46.

The square root of 546646465 is about 23380.4718729114. The cubic root of 546646465 is about 817.6526488164.

The spelling of 546646465 in words is "five hundred forty-six million, six hundred forty-six thousand, four hundred sixty-five".