546656656613 has 2 divisors, whose sum is σ = 546656656614. Its totient is φ = 546656656612.

The previous prime is 546656656603. The next prime is 546656656661. The reversal of 546656656613 is 316656656645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301217661889 + 245438994724 = 548833^2 + 495418^2 .

It is a cyclic number.

It is not a de Polignac number, because 546656656613 - 2¹² = 546656652517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546656656603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273328328306 + 273328328307.

It is an arithmetic number, because the mean of its divisors is an integer number (273328328307).

Almost surely, 2^546656656613 is an apocalyptic number.

It is an amenable number.

546656656613 is a deficient number, since it is larger than the sum of its proper divisors (1).

546656656613 is an equidigital number, since it uses as much as digits as its factorization.

546656656613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984000, while the sum is 59.

The spelling of 546656656613 in words is "five hundred forty-six billion, six hundred fifty-six million, six hundred fifty-six thousand, six hundred thirteen".