549989267 has 2 divisors, whose sum is σ = 549989268. Its totient is φ = 549989266.

The previous prime is 549989249. The next prime is 549989281. The reversal of 549989267 is 762989945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549989267 - 2¹⁴ = 549972883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (549989207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274994633 + 274994634.

It is an arithmetic number, because the mean of its divisors is an integer number (274994634).

Almost surely, 2^549989267 is an apocalyptic number.

549989267 is a deficient number, since it is larger than the sum of its proper divisors (1).

549989267 is an equidigital number, since it uses as much as digits as its factorization.

549989267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 59.

The square root of 549989267 is about 23451.8499696719. The cubic root of 549989267 is about 819.3159410053.

The spelling of 549989267 in words is "five hundred forty-nine million, nine hundred eighty-nine thousand, two hundred sixty-seven".