549846893 has 2 divisors, whose sum is σ = 549846894. Its totient is φ = 549846892.

The previous prime is 549846883. The next prime is 549846911. The reversal of 549846893 is 398648945.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298529284 + 251317609 = 17278^2 + 15853^2 .

It is a cyclic number.

It is not a de Polignac number, because 549846893 - 2⁸ = 549846637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549846853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274923446 + 274923447.

It is an arithmetic number, because the mean of its divisors is an integer number (274923447).

Almost surely, 2^549846893 is an apocalyptic number.

It is an amenable number.

549846893 is a deficient number, since it is larger than the sum of its proper divisors (1).

549846893 is an equidigital number, since it uses as much as digits as its factorization.

549846893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 56.

The square root of 549846893 is about 23448.8143197050. The cubic root of 549846893 is about 819.2452369862.

The spelling of 549846893 in words is "five hundred forty-nine million, eight hundred forty-six thousand, eight hundred ninety-three".