548892689 has 2 divisors, whose sum is σ = 548892690. Its totient is φ = 548892688.

The previous prime is 548892647. The next prime is 548892709. The reversal of 548892689 is 986298845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539772289 + 9120400 = 23233^2 + 3020^2 .

It is a cyclic number.

It is not a de Polignac number, because 548892689 - 2²⁰ = 547844113 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (548897689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274446344 + 274446345.

It is an arithmetic number, because the mean of its divisors is an integer number (274446345).

Almost surely, 2^548892689 is an apocalyptic number.

It is an amenable number.

548892689 is a deficient number, since it is larger than the sum of its proper divisors (1).

548892689 is an equidigital number, since it uses as much as digits as its factorization.

548892689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9953280, while the sum is 59.

The square root of 548892689 is about 23428.4589548694. The cubic root of 548892689 is about 818.7710566696.

The spelling of 548892689 in words is "five hundred forty-eight million, eight hundred ninety-two thousand, six hundred eighty-nine".