549494941 has 2 divisors, whose sum is σ = 549494942. Its totient is φ = 549494940.

The previous prime is 549494917. The next prime is 549494951. The reversal of 549494941 is 149494945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366569316 + 182925625 = 19146^2 + 13525^2 .

It is a cyclic number.

It is not a de Polignac number, because 549494941 - 2¹⁷ = 549363869 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549494951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274747470 + 274747471.

It is an arithmetic number, because the mean of its divisors is an integer number (274747471).

Almost surely, 2^549494941 is an apocalyptic number.

It is an amenable number.

549494941 is a deficient number, since it is larger than the sum of its proper divisors (1).

549494941 is an equidigital number, since it uses as much as digits as its factorization.

549494941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 49.

The square root of 549494941 is about 23441.3084319114. The cubic root of 549494941 is about 819.0704025336.

The spelling of 549494941 in words is "five hundred forty-nine million, four hundred ninety-four thousand, nine hundred forty-one".